It has long taken a leading place in researches of the kind here detailed, and the new contributions to our knowledge of many groups of extinct vertebrate animals are of the usual interest and ...

There are lots of vertebrates in the animal kingdom. Slide 1 of 5, , Mammals: Lions, humans and dolphins Mammals breathe through their lungs, are warm-blooded, give birth to live babies and have ...

but if you go by either individual animals or biomass, which is basically weight, the honor almost certainly goes to ants.

From scales to feathers to fur, vertebrates clothe themselves in a ... of Geneva biologist Michel Milinkovitch visited an Italian animal fair, found scaleless, “naked” bearded dragons for ...