Are Humans Mammals? A Look at Our Biological Classification

Yes, humans are mammals. This classification is not a matter of opinion or cultural preference. It is a conclusion drawn from comparative anatomy, developmental biology, genetics, and the fossil record. Humans share a suite of derived and ancestral traits with other mammals, including hair, mammary glands, three middle ear bones, a neocortex, and endothermy. The practical relevance of this classification extends beyond taxonomy. Understanding human biology as mammalian biology informs medical research, zoonotic disease surveillance, livestock management, and conservation decisions. This article explains the evidence for human membership in the class Mammalia, describes the key features that define mammals, and outlines how this knowledge applies to animal care, public health, and ecological management.

The Biological Basis for Classifying Humans as Mammals

Biological classification groups organisms by shared ancestry and shared characteristics. The class Mammalia is defined by a set of anatomical and physiological traits that are present in all living mammals or in their most recent common ancestor. Humans possess every defining feature of this class.

Defining Characteristics of the Class Mammalia

Mammals are vertebrates that produce milk through mammary glands, have hair or fur at some stage of life, possess three middle ear bones (the malleus, incus, and stapes), and maintain a constant body temperature through internal metabolic processes. Additional features include a neocortex in the brain, a four-chambered heart, and a diaphragm that aids respiration.

Humans display all of these traits. Human infants are nursed with milk produced by mammary glands. Human skin bears hair follicles across the body surface, with dense hair on the scalp and finer hair elsewhere. The human middle ear contains the same three bones found in other mammals. The human brain includes a well-developed neocortex. The human heart has four chambers, and the human respiratory system relies on a muscular diaphragm.

Genetic Evidence Supporting Human Mammalian Status

Comparative genomics confirms that humans share a large proportion of their genetic material with other mammals. The National Center for Biotechnology Information maintains extensive genomic databases that allow researchers to compare human sequences with those of other species. These comparisons consistently place humans within the mammalian branch of the evolutionary tree. The genetic distance between humans and other primates is smaller than the distance between humans and non-mammalian vertebrates such as birds or reptiles.

Population genetic studies also rely on human genomic data to detect signatures of natural selection. A transformer-based model called Popformer was developed to learn patterns of genetic variation from large-scale human genomic data, including data from the 1000 Genomes Project. The model demonstrated that human genetic variation contains meaningful structure that corresponds with population history and selection. This type of analysis is only possible because humans are mammals with the same kind of genomic architecture found in other mammalian species. The methods used to study human genetic variation are directly transferable to livestock and wildlife genetics, which matters for breeding programs and conservation management.

Developmental Evidence From Embryology

Human embryonic development follows the same general sequence as other mammals. Early human embryos possess pharyngeal arches, a tail, and other structures that appear in the embryonic development of all vertebrates. As development proceeds, human embryos develop the three middle ear bones from the same embryonic arches that form the jaw bones in reptiles. This developmental pathway is a hallmark of mammalian evolution.

The comparative anatomy of the human skull also reflects mammalian ancestry. A study of the human abducens nerve, which controls lateral eye movement, compared its pathway across mammals and primates. The researchers found that the human abducens nerve follows a more flexed basicranial route than the nearly flat pathway seen in other mammals. This derived condition is most pronounced in humans and develops early in fetal life. The finding illustrates that humans share the basic mammalian cranial architecture but have evolved specific modifications. Understanding these anatomical relationships helps veterinary and medical professionals anticipate nerve injury patterns that differ between species.

Humans and Other Mammals Share Physiological Systems

The physiological systems that keep humans alive are the same systems found in other mammals. Thermoregulation, sleep, immune defense, and sensory processing all operate on mammalian principles.

Thermoregulation and Sleep

Mammals maintain a stable internal body temperature through homeostatic mechanisms. A review of thermoregulation and sleep in adult mammals described how homeostatic thermoregulation is preserved across quiet wakefulness and non-rapid eye movement sleep, with state-dependent differences in the threshold and gain of effector responses to thermal loads. In many mammalian species, rapid eye movement sleep is characterized by suppression of thermoregulatory responses. Human adults differ slightly in that rapid eye movement sleep is not as thermally altered as in other mammals. The interaction between thermoregulation and sleep occurs at the level of the preoptic-hypothalamic thermostat.

This knowledge has direct applications in animal farming. Livestock producers must account for the thermoregulatory demands of their animals during both active and resting periods. Housing design, ventilation rates, and bedding choices all influence whether animals can maintain body temperature within their thermoneutral zone. Animals that cannot thermoregulate effectively experience reduced feed efficiency, lower weight gain, and increased susceptibility to disease. Monitoring sleeping behavior and respiratory rates provides practical indicators of thermal stress.

Immune Function and Host Specificity

The mammalian immune system is a shared heritage, but it also shows species-specific variation. Research on Pneumocystis organisms, which can cause pneumonia in mammals lacking strong immune defenses, demonstrated that the genus contains many different organisms distinguishable by DNA sequence analysis. These organisms are yeast-like fungi most closely related to Schizosaccharomyces pombe. Each species of Pneumocystis appears to be specific for the mammal in which it is found. The species that infects humans is Pneumocystis jiroveci, which has not been found in any other mammal. Conversely, the Pneumocystis species found in other mammals have not been seen in humans.

This host specificity has practical implications for biosecurity. Farmers and veterinarians cannot assume that a pathogen affecting one mammalian species will behave identically in another. Pneumocystis pneumonia in a goat herd does not pose the same human health risk as Pneumocystis jiroveci pneumonia in a human patient. However, the underlying principle of host-specific adaptation applies broadly. When a new disease appears in a livestock operation, identifying the exact species of the pathogen matters for treatment decisions and for assessing zoonotic risk.

Sensory and Neural Similarities

The mammalian brain shares a common organizational plan across species. Research on consciousness has found no known differences in brain mechanisms between humans and other mammals. This finding supports the position that mammals share fundamental neural processes underlying awareness and experience. The practical implication for animal welfare is significant. If the brain mechanisms supporting consciousness are shared across mammals, then the capacity for suffering and positive experience is also shared. Livestock producers and animal care professionals should therefore treat pain, fear, and distress in mammals as real welfare concerns that require active management.

Hair cell regeneration provides another example of shared mammalian physiology with important differences. Cochlear hair cells convert sound into electrical signals that travel to the brain. Non-mammals such as birds and zebrafish can regenerate lost hair cells, but mature mammals cannot, resulting in permanent hearing loss after damage. This limitation applies to humans and to livestock species alike. Farmers should minimize prolonged exposure of animals to loud noise, because hearing loss in mammals is irreversible.

The Evolutionary History of Humans as Mammals

The fossil record and comparative studies of living species document the evolutionary pathway that led to modern humans. This history places humans firmly within the mammalian radiation that began more than 200 million years ago.

Early Hominin Interactions With Other Mammals

Archaeological evidence from the Pirro Nord site in Southern Italy, estimated to be about 1.3 to 1.6 million years old, documents early European hominid subsistence activities. Excavation of the Pirro Nord 13 fissure produced more than 300 lithic artifacts associated with thousands of vertebrate fossil remains. Analysis of the faunal remains identified anthropogenic traces linked to the exploitation of animal carcasses, including cut marks and intentional bone breakages. Use-wear traces on flint artifacts were interpreted as the result of exploiting animal resources. The hominins competed with carnivores for animal resources, although the type of access to carcasses could not be determined.

This archaeological record shows that humans have interacted with other mammals as prey, competitors, and resources for over a million years. The relationship continues today in livestock production, wildlife management, and conservation. Understanding this deep history helps contextualize current human impacts on mammal populations.

Human Predation and Mammalian Behavioral Responses

Large mammals respond to human hunting through proactive and reactive behaviors that can induce nonconsumptive effects. A literature review of 106 studies published between 1978 and 2022 found that space use and flight were the most common behavioral responses studied. Visual cues were measured in 25 percent of studies and auditory cues in 10 percent. Only 14 percent of studies quantified a nonconsumptive effect associated with an animal's response to human hunting. The association between cues measured and antipredator behaviors remains unclear due to a consistent lack of controls.

For wildlife managers and farmers who deal with wild mammals, this research indicates that human presence alone can alter mammal behavior. Hunting pressure, recreational activity, and farm operations all create cues that mammals detect and respond to. A separate study using 155 camera traps in western Alberta, Canada, documented 15 mammal species responses to recreation. The researchers found limited evidence for strong or consistent effects of recreation on mammal space use, but mammal space use was better explained by an interaction between recreation and influencing factors such as trail density and management type. Mammals were more likely to avoid sites near a higher density of trails in areas with more restrictive management. Limiting trail density may be important for reducing negative impacts to mammals within conservation areas.

Human Empathy and Phylogenetic Proximity

Humans tend to feel more empathy for animals that are evolutionarily closer to us. A synthesis of evolutionary, neurocognitive, and cultural research explained that this bias arises from how our brains recognize signals of emotion and intention, including faces, eyes, voices, and movements that resemble our own. Shared biology, particularly hormones that support bonding and care, strengthens these emotional ties. Culture and education also play a role, as children's stories, pets at home, and media images usually focus on mammals.

This empathy bias has practical consequences for animal farming and conservation. Farmers may find it easier to recognize pain or distress in cattle, sheep, and pigs than in poultry or fish. However, the bias can change with education. When people learn about the intelligence of octopuses, the cooperation of bees, or the parental care of fish, they often feel greater compassion and respect. Animal care protocols should therefore be based on species-specific evidence instead of on human intuition about which animals deserve consideration.

At a Glance: Key Mammalian Features in Humans

The following table summarizes the major mammalian characteristics and how they appear in humans.

Practical Applications of Mammalian Classification in Animal Management

Understanding that humans are mammals and that livestock species are also mammals provides a framework for animal care decisions. The shared physiology means that many principles of nutrition, disease management, and welfare apply across species, with species-specific adjustments.

Using Comparative Physiology to Guide Livestock Care

Because humans and livestock share mammalian physiology, producers can use human medical knowledge as a starting point for understanding animal health, with important caveats. Drug metabolism, organ function, and nutritional requirements differ between species. A compound that is safe for humans may be toxic to cattle, and a drug approved for dogs may have no approval for sheep. Always consult a veterinarian before administering any treatment to livestock.

The comparative study of threonine, an essential amino acid, illustrates both the similarities and differences among mammals. Threonine is indispensable in humans and other mammals because the body cannot synthesize it in sufficient quantities. However, the exact dietary requirements vary by species, age, growth stage, and production purpose. Poultry and swine rations are typically formulated to meet specific threonine requirements, while ruminants obtain threonine from microbial protein synthesized in the rumen. Producers should follow species-specific nutritional guidelines instead of assuming that human dietary needs apply to livestock.

Biosecurity and Zoonotic Disease Management

The mammalian immune system is shared in its fundamentals but varies in its details. Pathogens that infect one mammalian species may or may not infect others. The host specificity of Pneumocystis species demonstrates that even closely related pathogens can be restricted to a single host species. However, other pathogens have broad mammalian host ranges.

Influenza D virus, first identified in swine in 2011, has demonstrated broad mammalian tropism with notable prevalence in bovine populations. A 2025 study evaluated a currently circulating strain isolated from cattle in Northeast China. The virus replicated efficiently in human primary respiratory epithelial cells and exhibited respiratory tract tropism in mammals. It transmitted efficiently through the air between ferret models, with five of six ferrets infected. Serological surveillance from 2020 to 2024 revealed exposure rates of 73.37 percent in the general population and 96.67 percent among individuals with respiratory symptoms. The extraordinary high seropositivity highlights the possibility of silent spread in mammals with mild symptoms.

For livestock producers, this research underscores the importance of respiratory disease surveillance. Cattle, swine, and humans can share influenza viruses, and the movement of animals or people between farms can facilitate viral spread. Producers should monitor herds for respiratory signs, maintain records of illness and treatment, and report unusual disease patterns to veterinary authorities. Workers who handle livestock should practice good hygiene, including hand washing and changing clothing between animal groups.

Climate Change and Mammalian Health

Climate change affects the health of humans and other mammals through multiple pathways. A review of the impact of climate change on human infectious diseases examined publications from 1990 to 2015 and found that humans are vulnerable to the health impacts of climate change. The review recommended proactive measures, including better understanding of climate change patterns, developing scientific explanations beyond empirical observations, improving prediction of spatial and temporal shifts in infectious diseases, and establishing locally effective early warning systems.

Terrestrial mammals face similar challenges. Climate change alters habitat suitability, food availability, and disease transmission patterns. Livestock producers should monitor local climate trends and adjust management accordingly. Extended heat waves may require additional shade, ventilation, and water access. Changes in rainfall patterns may affect pasture growth and parasite burdens. Producers who keep detailed records of weather conditions, animal health, and productivity will be better positioned to detect climate-related problems early.

Records and Measurements for Mammalian Health Assessment

Accurate record keeping is essential for managing mammalian health in production systems. The following measurements provide useful indicators of animal welfare and productivity.

Body Condition Scoring

Body condition scoring is a standardized method for assessing fat and muscle reserves in livestock. The system varies by species, with cattle typically scored on a 1 to 9 scale and sheep on a 1 to 5 scale. Regular scoring helps producers adjust feeding programs before animals become too thin or too fat. Body condition affects fertility, milk production, disease resistance, and longevity. Records should include the date, the scorer, the score for each animal, and any notes about changes since the previous assessment.

Temperature, Pulse, and Respiration

Normal vital parameters vary by species and age. Adult cattle have a resting temperature near 38.5 degrees Celsius, a pulse of 60 to 70 beats per minute, and a respiratory rate of 10 to 30 breaths per minute. Sheep and goats run slightly higher temperatures and faster pulse rates. Pigs have a normal temperature near 39 degrees Celsius. Producers should establish baseline values for their own animals during healthy periods so that deviations are easier to detect. Record vital signs during routine health checks and whenever an animal appears unwell.

Feed and Water Intake

Changes in feed and water intake are often the earliest signs of illness in mammals. Automated feeding systems can record individual intake for group-housed animals. For smaller operations, visual observation of feeding behavior at each meal provides useful information. Water intake is particularly important because dehydration can develop rapidly in hot weather or during illness. Records of feed delivery, refusals, and water consumption help identify animals that are not eating or drinking normally.

Growth and Production Records

Regular weighing or measurement of growth provides objective data on whether animals are meeting production targets. Weaning weights, average daily gain, milk production, and egg production are all useful metrics. These records allow producers to detect problems early and to evaluate the effectiveness of management changes. Compare current performance with historical averages for the same farm and with breed or species benchmarks.

Common Failure Patterns in Mammalian Health Management

Several recurring problems undermine mammalian health in production systems. Recognizing these patterns helps producers take corrective action before losses become severe.

Inadequate Nutrition

Mammals have specific nutritional requirements that vary by life stage and production purpose. Common failures include feeding a single ration to all animals regardless of age, failing to adjust rations for pregnancy or lactation, and providing inadequate mineral supplementation. Threonine deficiency, for example, can limit growth and immune function in monogastric animals. Producers should work with a nutritionist to formulate rations that meet the specific requirements of each animal group.

Poor Biosecurity

Disease introduction is often traced to a breakdown in biosecurity. Common failures include allowing visitors to enter animal areas without cleaning protocols, sharing equipment between farms, introducing new animals without quarantine, and failing to control rodents and wildlife that can carry pathogens. The host specificity of some pathogens does not eliminate the risk from pathogens with broad host ranges. A written biosecurity plan with clear protocols for visitors, new animals, and equipment movement reduces disease risk.

Inadequate Environmental Control

Mammals require appropriate temperature, humidity, ventilation, and space. Common failures include overcrowding, poor ventilation that allows ammonia to accumulate, inadequate bedding that leaves animals wet and dirty, and failure to provide shade or shelter from extreme weather. Thermoregulation research shows that mammals maintain body temperature through behavioral and physiological responses, but these responses have limits. Animals that cannot escape heat, cold, or drafts experience stress that reduces productivity and increases disease susceptibility.

Delayed Treatment

Early intervention improves treatment outcomes in mammals. Common failures include waiting too long to examine sick animals, treating without a diagnosis, and using outdated or incorrect medications. Producers should establish clear criteria for when to call a veterinarian and should maintain treatment records that include the date, the animal identification, the clinical signs, the treatment given, and the outcome.

Welfare and Safety Context for Mammalian Care

Mammalian welfare is both an ethical concern and a practical production issue. Animals that experience chronic stress have reduced immune function, lower growth rates, and poorer reproductive performance.

Recognizing Pain and Distress

Mammals display pain through behavioral and physiological changes. Common signs include reduced activity, isolation from the group, decreased feed intake, altered posture, vocalization, and changes in facial expression. Because humans share mammalian brain mechanisms for consciousness, the capacity for pain and suffering in livestock should be assumed. Producers should provide analgesia for painful procedures such as castration, dehorning, and tail docking, following veterinary guidance and local regulations.

Handling and Restraint

Safe handling reduces stress for both animals and handlers. Mammals have species-specific flight zones and visual fields that affect how they respond to human movement. Low-stress handling techniques use an understanding of these behaviors to move animals calmly and efficiently. Rough handling, electric prods, and excessive noise increase stress and can cause injury. Training all workers in proper handling techniques improves both welfare and safety.

Zoonotic Disease Precautions

Workers who handle mammals face some risk of zoonotic disease transmission. The influenza D virus research demonstrated that people with occupational exposure to cattle can show high seropositivity rates. Producers should provide workers with appropriate personal protective equipment, including gloves and respiratory protection when handling animals or their secretions. Workers should wash hands after animal contact and should not eat, drink, or smoke in animal areas. Pregnant workers should consult their healthcare providers about specific risks.

Limitations of the Mammalian Classification Framework

The classification of humans as mammals is well supported, but the framework has limitations that users should understand.

Variation Within Mammals

The class Mammalia includes more than 6,000 species with enormous variation in size, physiology, and behavior. A blue whale and a pygmy shrew are both mammals, but their management needs could hardly be more different. Generalizations about mammalian physiology must be applied with caution to specific species. Always verify species-specific requirements before making management decisions.

Exceptions to General Rules

Some mammals deviate from typical mammalian patterns. Monotremes such as the platypus lay eggs instead of giving birth to live young. Some mammals, including certain bats and rodents, can enter torpor or hibernation with dramatic reductions in body temperature. Marine mammals have adaptations for diving and thermoregulation that differ from terrestrial mammals. These exceptions do not challenge the classification of humans as mammals, but they do remind us that the class is diverse.

Genetic and Physiological Differences

Despite shared mammalian heritage, humans and livestock species have important genetic and physiological differences. Drug metabolism, immune responses, and nutritional requirements vary between species. The AAVC framework for automated variant classification, which achieved high concordance with Food and Drug Administration recognized variant classifications, was developed for human germline sequence interpretation. Similar tools exist for livestock species, but they are not interchangeable. Producers should use species-specific genetic information when making breeding decisions.

Professional Escalation Criteria

Some situations require professional assistance beyond the capacity of routine farm management. The following criteria indicate when to contact a veterinarian, extension specialist, or other qualified professional.

Veterinary Consultation

Contact a veterinarian when an animal shows signs of serious illness, including high fever, difficulty breathing, severe diarrhea, inability to stand, or sudden death. Also seek veterinary advice before administering any medication, especially if the drug is not approved for the species in question. A veterinarian should review herd health protocols annually and should be consulted when disease patterns change.

Diagnostic Laboratory Submission

When multiple animals become ill or when a disease does not respond to treatment, diagnostic testing is warranted. Submit samples to an accredited laboratory according to the veterinarian's instructions. Include a complete history with the submission, including the number of animals affected, the clinical signs, the duration of illness, and any treatments already given. Accurate records improve the likelihood of a definitive diagnosis.

Extension and Nutrition Consultation

Contact an extension specialist or nutritionist when production metrics fall below targets, when feed costs rise unexpectedly, or when animals show poor growth or condition despite adequate feed availability. A professional can evaluate rations, forage quality, and feeding management to identify problems.

Wildlife and Conservation Authorities

When wild mammals are involved, contact the appropriate wildlife authorities. This applies to situations involving injured or stranded marine mammals, conflicts between livestock and wild predators, or suspected illegal hunting. A review of marine mammal stranding events noted that strandings have been documented since the fourth century and that today we tend to see them as events in which animals need human help. Members of the public who find a stranded animal should not approach it but should contact trained responders.

Frequently Asked Questions

Are humans mammals?

Yes, humans are mammals. Humans possess all the defining characteristics of the class Mammalia, including mammary glands, hair, three middle ear bones, a neocortex, and endothermy. Genetic and developmental evidence confirms that humans share a common ancestry with other mammals.

What are the key features that make humans mammals?

The key features are mammary glands that produce milk, hair on the body, three middle ear bones, a neocortex in the brain, a four-chambered heart, a diaphragm, and the ability to regulate body temperature internally. Humans display all of these features.

Are humans primates and mammals at the same time?

Yes. Mammalia is the class, and Primates is the order within that class. Humans belong to the order Primates, which also includes monkeys and apes, and to the class Mammalia, which includes all mammals. Taxonomic categories are nested, so a human is both a primate and a mammal.

How do scientists know that humans are mammals?

Scientists use multiple lines of evidence, including comparative anatomy, embryology, genetics, and the fossil record. Humans share anatomical structures with other mammals, follow the same embryonic developmental patterns, share a large proportion of genetic material with other mammals, and have ancestors that are clearly mammalian in the fossil record.

Do all mammals have hair?

All mammals have hair at some stage of their lives. Some mammals, such as whales and dolphins, have very little hair as adults, but they have hair follicles and may have hair early in development. Humans have hair across the body, with density varying by body region and individual genetics.

Why does it matter that humans are mammals?

The classification matters for medical research, because animal models are used to study human disease. It matters for public health, because many infectious diseases are shared between humans and other mammals. It also matters for animal welfare, because the shared mammalian heritage supports the position that other mammals can experience pain and distress.

Are there any mammals that do not give birth to live young?

Yes, monotremes such as the platypus and echidna lay eggs. These mammals still produce milk and have hair, so they are classified as mammals. Humans are placental mammals, meaning that the developing fetus is nourished through a placenta inside the mother's body.

Can humans get diseases from other mammals?

Yes, some diseases can be transmitted between humans and other mammals. These are called zoonotic diseases. Examples include influenza viruses that can infect both humans and livestock. Biosecurity measures, hygiene practices, and surveillance help reduce the risk of zoonotic disease transmission.

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References and Further Reading

• NCBI Literature Resources. National Center for Biotechnology Information.
• PubMed. National Library of Medicine.
• Pneumocystis.. International journal of medical microbiology : IJMM, 2002.
• Large mammal behavioral defenses induced by the cues of human predation.. PNAS nexus, 2024.
• Thermoregulation and sleep.. Frontiers in bioscience : a journal and virtual library, 2003.
• Efficient airborne transmission of influenza D virus in ferret models and serological evidence of human exposure in Northeast China.. Emerging microbes & infections, 2025.
• Impact of climate change on human infectious diseases: Empirical evidence and human adaptation.. Environment international, 2016.
• Mammal responses to human recreation depend on landscape context.. PloS one, 2024.
• RNA-mediated regulation of chromatin structures.. Genes & genomics, 2020.
• Human behavior and Homo-mammal interactions at the first European peopling: new evidence from the Pirro Nord site (Apricena, Southern Italy).. Die Naturwissenschaften, 2019.
• Popformer: Learning general signatures of positive selection with a self-supervised transformer.. 2026.
• AAVC: An automated framework for high-accuracy ACMG-based variant classification.. 2026.
• Multi-class, unsupervised detection and classification of biological and anthropogenic sounds in coral reefs.. 2026.
• Ten quick tips for classifying unknown bacteriophage.. 2026.
• Mining negative sequential patterns to improve viral genomic feature representation and classification.. 2026.
• Computer Vision-Assisted Semiautomatic Analysis of Zooplankton in a Longitudinal Study of the Ecological State of Lake Baikal.. 2026.
• Big data analysis of graduate industry talent demand using deep pretrained language models.. 2026.
• Why Humans Prefer Phylogenetically Closer Species: An Evolutionary, Neurocognitive, and Cultural Synthesis. Biology, 2025.
• Why Do Marine Mammals Strand on Land and How Can Humans Help?. Frontiers for Young Minds, 2023.
• Intraspecific eye color variability in birds and mammals: a recent evolutionary event exclusive to humans and domestic animals. Frontiers in Zoology, 2017.
• Reason for indispensability of threonine in humans and other mammals in comparative aspect. Biochemistry (Moscow), 2017.
• Hair Cell Regeneration: From Animals to Humans. Clinical and Experimental Otorhinolaryngology, 2024.
• Unveiling the vulnerability of the human abducens nerve: insights from comparative cranial base anatomy in mammals and primates. Frontiers in Neuroanatomy, 2024.
• There are no known differences in brain mechanisms of consciousness between humans and other mammals. Animal Welfare, 2001.
• Human use of aquatic mammals in Northern South America (colombia and panama): Some evidence from ethnographic and ethnohistorical records. Neotropical and Caribbean Aquatic Mammals Perspectives from Archaeology and Conservation Biology, 2014.
• The evidence of climate change for terrestrial mammals. Palgrave Handbook of Global Sustainability, 2023.

This article is educational and does not replace institutional policy, professional advice, or applicable safety and regulatory requirements.