Mammals are warm-blooded vertebrate animals that typically give birth to live young, although five platypus and echidnas species lay eggs. There are approximately 5,400 species of mammals which range in size from the smallest bumblebee bat to the largest blue whale. Many mammal species populations are threatened by infectious diseases and man-made influences such as habitat loss, pollution, and climate disruption.
The Arabian Oryx were considered extinct in 1972. Now there are more than 4,500 Arabian oryx in zoos and wildlife preserves.
Beluga whales are white, can turn their head in all directions, and can swim backwards.
The critically endangered black rhinoceros is one of two rhino species found in Africa, the other is the white rhino.
The endangered black-footed
ferrets spend most of
their lives in underground burrows that they steal from their prey - prairie
The endangered cheetah (Acinonyx jubatus) is the world’s fastest land mammal.
The endangered chimpanzee is more than 98% genetically identical to a human.
Mexican Gray Wolf
The endangered Mexican gray wolf, also known as the timber wolf, is the most endangered wolf in North America.
North American River Otter
North American river otters were devastated in the late 1800's and early 1900's by trapping and habitat destruction.
The near threatened okapi is a very elusive, unusual looking animal that has stripes on their hindquarters and legs like a zebra, but the rest of the body is dark brown.
The endangered orangutan is the world’s largest tree dwelling animal and the only great ape species native to Asia.
Polar bears were hunted almost to extinction in the '60s and '70s. International protection has helped their population health, but climate disruption is destroying the sea ice they need to live.
The threatened walrus is a large marine mammal with ivory tusks that are actually enlarged upper canine teeth.