Mammal Groups
Mammals • • • • •
Warm-blooded 4,060 Species Mammary glands Hair or fur 4-chambered heart
Mammal Breakdown • Montremes • Marsupials • Placental Mammals
Order - Monotremes • Primitive, lay eggs, no nipple • Platypus & Echidnas only
Order Marsupial • Poorly developed young • 270 species • Kangaroos, Koalas, wombats
Order Xenartha • • • •
No teeth Diggers 30 species Anteaters, armadillos
Order Insectivore • 425 Species • Moles, shrew, hedgehogs
Order Scandentia • Tree Shrews • 19 Species
Order Dermoptera • Flying Lemurs • 2 species
Order Chiroptera • Bats • 925 Species
Order Primates • 230 Species • Apes, human, monkeys, lemurs • Mostly in trees • 5 fingers, 5 toes capable of grasping well
Order Carnivora • • • • •
270 Species Meat Eaters Claws Large Teeth Bears, cats, raccoons, seals, weasels, wolves
Order Cetacea • • • •
Aquatic Streamlined body 80 species Porpoises, whales, dolphins • Nostrils on top of head
Order Serenia • 5 species • Manatees • Paddle like forelimbs, no hind limbs
Order Probiscidea • The elephants • 2 species, African & Indian
Order Odd-toed ungulates • 16 species • Horses, rhinos, tapir
Order Hyraxia • 7 species • Hyraxes • Hoof-like claws, short tail
Order Tubalidentata • 1 species • The aardvark
Artirodactyls – Even Toed Ungulates • 220 Species – Antelope, bison, deer, giraffe, cattle, hogs, sheep
Order Pholidota • 7 species • Pangolins
Order Rodentia • 2025 species • Beavers, mice, porcupines, squirrels, rats • Chisel like upper incisors
Order Lagomorpha • Hares & rabbits • 80 species
Order Macroscelidea • Elephant Shrews • 15 species
The Birds • Ok, not going through all these groups • List of Bird Groups
The Reptiles • • • •
Lizards, snakes Turtles Crocodilians Tuataras