Those categories might be driven by political constituencies with a stake in stressing their distinctiveness or by overwhelming increases in immigrants classified as a single group.
New molecular evidence showed that forest and savanna elephants, heretofore classified as a single species, Loxodonta africana, merited separate taxonomic status.
Macaroni penguins are often confused with royal penguins (E. schlegeli), and some ornithologists argue that both groups should be classified as a single species.
Also the co-star of the movie, MATTHEW McCONAUGHEY, and the C.E.O. of Lavalife, PETER HOUSELY, who later said, through a spokeswoman, that he could not be classified as a single, as he is "in a relationship".
It is drawn largely from the large series of work she made – classified as a single piece – Life/ Living, based on her systematic representation of the years 1900 to 1999.
Not only does it spread diseases, but it is also vastly more successful when it lives on plants infected with the diseases in question than when it subsists on healthy plants.Though classified as a single species, Bemisia is actually a complex of "biotypes", and biotype B, which arrived in China in the late 1990s, is rapidly taking the place over from the wimpy natives.
Adjacent points closer than a pre-defined threshold are classified as a single obstacle.
The cryptic concept refers to two or more species that have been classified as a single nominal species due to the fact that they are apparently morphologically indistinguishable.
As of 2008, the European hare remains classified as a single species until further data shows otherwise.
These have occasionally been recognized as separate species, N. javanicus and N. ornatus, but are currently both classified as a single species, although their exact taxonomic status remains unclear.
They observed individuals of the two species mating and pairing, as well as hybrid ibises with pale orange plumage, or white plumage with occasional orange feathers; their proposal that these birds be classified as a single species, has been followed by least one field guide.
