the.com/mammalogy
the science of everything that ever nursed its young, from blue whales to bumblebee bats
size rangeBumblebee bat to blue whale, a trillionfold span
naming originMammals named for mammary glands, not fur or warmth
egg-layersPlatypus and echidna are mammals that lay eggs
open frontierNew mammal species still discovered yearly
diverse clubRoughly 6,400 living species and counting