Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...
A new study led by researchers at the University of Arizona suggests that for every recognized vertebrate species, there are, on average, two ...
Researchers at the University of Arizona say there may be at least twice as many vertebrate species as previously recognized.