There are no cold-blooded mammal species left alive in the world, and apparently that's our fault. In essence, you can split every animal in the world down to either an endotherm or an ectotherm. Warm-blooded creatures such as mammals and birds are endotherms, which mean we're able to maintain our own body temperature without an external heat source. Of … [Read more...] about Humans likely responsible for extinction of world’s only cold-blooded mammal
hunting
Blue-footed booby
The blue-footed booby (Sula nebouxii) is a marine bird native to subtropical and tropical regions of the eastern Pacific Ocean. It is one of six species of the genus Sula – known as boobies. It is easily recognizable by its distinctive bright blue feet, which is a sexually selected trait and a product of their diet. Males display … [Read more...] about Blue-footed booby