Genetic and acoustic evidence show that the rare Ijima’s leaf warbler (Phylloscopus ijimae) is actually two distinct bird species, including the newly-identified...
A small songbird called the Siberian willow warbler (Phylloscopus trochilus yakutensis) holds a long-distance migration record in the 10-gram weight category...
A striking new species of leaf warbler has been discovered in the forests of the Indonesian island of Rote by an international team of researchers. The...
