A recent debate over the usefulness and relevance of the widely used Biological Species Concept, based on reproductive isolation, versus the Phylogenetic Species Concept, which is centred around ...

According to the 'umbrella species' concept, preserving and managing habitat for a single high-profile species also benefits a whole suite of other species that share its habitat -- but how well does ...

A typical vascular land-plant consists of ten to twelve definable organs. Most plant fosils have been disarticulated into their component organs, which ust therfore be correlated if the fossil platn ...

A 2-year-old Florida panther is released into the wild in 2013 by the Florida Fish and Wildlife Conservation Commission in West Palm Beach, Fla. (Joe Raedle/Getty Images) We all learn the concept of a ...

The biological species concept, long entrenched in herpetological taxonomy, has been seriously challenged conceptually and operationally over the past decade. We review alternative concepts and ...

The funniest thing I’ve ever said to any botanist was, “What is a species?” Well, it certainly got the most spontaneous laugh. I don’t think Barbara Ertter, who doesn’t remember the long-ago moment, ...

In the penultimate episode of Crash Course Zoology, we use everything we've learned so far to try and figure out what a "species" even is anyway! As you'll see, the incredible diversity of animals ...

IN the Transactions of the British Mycological Society (vol. vi., part ii., September, 1919) Mr. W. B. Brierley protests against the practice of mycologists in describing as species the forms which ...

On 22 August, an astonishing discovery was reported. A sliver of bone from a cave in Russia turned out to belong to a hominin, one that was utterly unprecedented. Denny, as she is known to the ...

This September, Earth’s single giraffe species suddenly became four. “A Quadruple Take on the Giraffe: There are Four Species, Not One,” wrote The New York Times. “Giraffes aren’t just giraffes,” ...