Mammals are one of the 6 Classes of Animals
Insects
Reptiles

There are about 4,000 kinds of mammals, 21,000 kinds of fish
and 800,000 kinds of insects!

Mammals have these characteristics which make them the same!!



Types of Mammals
Monotremes:  Primitive egg-layers.
Echidnas (spiny ant-eaters)
Duck-billed platypus.

Marsupials:    Young are born in an embryo state
Most female have pouches            
Koala
Kangaroo
Opossum

Placental:    Young are born at a relatively advanced stage
Young are nourished through a placenta.  
Cats
Dogs
Deer
People

Different Mammalian Diets:
Herbivores (plant eaters):    Beavers, cows, horses, pandas, sloths

Carnivores (meat eaters-    Whales and dolphins, dogs, tigers, lions

Omnivores (eat plants and meat): People, some bears,

Insectivores (eat insects):  Aardvarks, anteaters, pangolins

Mammal Extremes
Fastest:    Cheetah (60-70 mph = 97-110 kph)

Slowest:    Sloth (less than 1 mph, or 2 kph)

Biggest in Ocean:   Blue whale

Biggest on  Land:   African Elephant

Tallest:   Giraffe

Smallest:    Pygmy Shrew (weighing 1.2-2.7 gm)  
Bumblebee Bat (weighing about 2 gm)
Loudest:       Blue Whale.

Smallest newborns:   Marsupials (pouched mammals, like the kangaroo)

Smelliest:    Striped Skunk

Venomous:     Duckbilled Platypus (males only)
Shrew (some species)
Solenodon (a small insectivore)

Fatest:      Blue whale has the thickest layer of blubber
Ringed seal pups have the greatest
percentage of fat (about 50 %).
Mammals
Fish
Amphibians
Birds