It is much smaller than the American robin, Turdus migratorius, which belongs to a different genus. The grouping of families was added to allow the large number of new species to be included in ...

The aim of the project led by Oliveira-Silva at UNESP is to analyze species belonging to the genus Characidium in all South American rivers in order to establish the most complete phylogeny of the ...

Scattered across a chain of subtropical islands in southwestern Japan, buried under rocks, or deep within the region’s humid soil, researchers discovered seven new species with ...