American bison
Bison bison
Animal group
Mammals
Mammalia
Mammals are a diverse group of warm-blooded animals known for their unique characteristics, such as having hair or fur on their bodies and producing milk to feed their young. They range from tiny creatures like mice and bats to some of the largest animals on Earth, like elephants and whales. Mammals live in various habitats, from dense forests and vast oceans to arid deserts and snowy mountain peaks. Whether it’s the playful dolphins in the sea, the majestic lions in the savannah, or the curious monkeys in the jungle, mammals play a vital role in the balance of nature. They are fascinating creatures, each with its own set of behaviors, diets, and adaptations that help them thrive in their environments.
57 animals100 articles
Animals: Mammals
American bison
Bison bison
American Bulldog
Arctic fox
Vulpes lagopus
Asian elephant
Elephas maximus
Bears
Beluga whale
Delphinapterus leucas
Bengal tiger
Panthera tigris tigris
Big cats
Blue whale
Balaenoptera musculus
Boxer
Brown bear
Ursus arctos
Camels
Cane Corso
Cavalier King Charles Spaniel
Cheetah
Acinonyx jubatus
Chimpanzee
Pan troglodytes
Coyote
Canis latrans
Deer
Dog
Canis familiaris
Dolphins
Elephant seals
Elephants
Elk
Cervus canadensis
Fennec fox
Vulpes zerda
Foxes
Giraffe
Giraffa camelopardalis
Gorillas
Gray wolf
Canis lupus
Grizzly bear
Ursus arctos horribilis
Hamsters
Hippopotamus
Hippopotamus amphibius
Humpback whale
Megaptera novaeangliae
Jaguar
Panthera onca
Javan rhino
Rhinoceros sondaicus
Kangaroo rats
Kangaroos
Killer whale
Orcinus orca
King Charles Spaniel
Kodiak bear
Ursus arctos middendorffi
Lion
Panthera leo
Moose
Alces alces
Okapi
Okapia johnstoni
Orangutans
Pit bull
Platypus
Ornithorhynchus anatinus
Polar bear
Ursus maritimus
Pygmy marmoset
Cebuella pygmaea
Red fox
Vulpes vulpes
Rhinos
Siberian tiger
Panthera tigris altaica
Snow leopard
Panthera uncia
Tiger
Panthera tigris
Vaquita
Phocoena sinus
Virginia opossum
Didelphis virginiana
Walrus
Odobenus rosmarus
Whales
White rhino
Ceratotherium simum
Articles
Behaviour
Will a lion eat another lion?
Lions kill other lions fairly often, mostly cubs after new males take over a pride, but they rarely eat them.…
Adaptations
Platypus facts: the egg-laying mammal
The platypus is an Australian mammal that lays eggs, hunts with its eyes shut using an electric-sensing bill, and has…
Adaptations
Adaptations of a Kangaroo – Behavioral, Structural & Physiological
Kangaroos are special mammals from Australia. They are characterized by their powerful hind legs, large feet adapted for leaping, long…
Diet & feeding
What does the brown bear eat?
Brown bears are omnivores that eat grasses, roots, berries, ants, salmon and young moose. Their diet changes with the seasons…
Senses
How far can a lion smell?
Nobody has measured how far a lion can smell. Research shows lions mainly hunt by sight, but use smell to…
Diet & feeding
What Do Elks Eat? Understanding the Feeding Habits and Adaptability of These Majestic Herbivores
Elk are the majestic creatures. They are herbivorous animals with a diverse and adaptable diet. Their feeding habits vary according…
Conservation & population
How many Javan rhinos are left in the world?
About 50 Javan rhinos survive, all in Ujung Kulon National Park in Indonesia, after poachers killed 26 between 2019 and…
Conservation & population
How many white rhinos are left in the world?
There were 15,752 white rhinos at the end of 2024, almost all of them southern white rhinos. The northern white…
Comparisons
How big is a Siberian tiger?
A wild male Siberian tiger usually weighs 165 to 180 kg, and big males reach about 3 m from nose…
Predators & threats
What eats lions?
Nothing regularly hunts a healthy adult lion. People and other lions cause most lion deaths, while cubs are taken by…
Conservation & population
Why are Asian elephants endangered? Threats, numbers and what helps
Asian elephants are Endangered because farms and towns have taken about 70% of their habitat. Only about 48,000 to 52,000…
Life cycle & reproduction
What happens when a whale dies? Whale falls, floating carcasses and strandings
A dead whale sinks, floats or washes ashore. On the deep seafloor it becomes a whale fall that feeds hagfish,…


