yes, mammals are scarce (and a good chunk of the megafauna is extinct). Birds and, most of all, fishes are the real vertebrate winners. Our impact is what made

yes, mammals are scarce (and a good chunk of the megafauna is extinct). Birds and, most of all, fishes are the real vertebrate winners. Our impact is what made us important On the other hand, we are discovering a lot of new species lately.