Add Yahoo as a preferred source to see more of our stories on Google. The official 4-species status was achieved only after reviewing recent genetic, morphological, and biogeographic studies on ...

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...

Are species constructs of the human mind? -- Why is there a species problem? -- Is the biological species a class or is it an individual? -- What are traits in taxonomy? -- Diversity within the ...

Researchers describe five new deep-sea squat lobster species. Combining molecular data and microCT their findings show a wider species distribution range and shallower genetic diversity, calling for a ...

A University of Arizona study finds scientists are discovering 16,000 new species annually - and DNA tools may reveal billions more.

For over 200 years, there has been just one species of giraffe, Giraffa camelopardalis. This unmistakable African animal is easily recognized across the world. With their long necks and distinctive ...