In 1868, the naturalist Charles Darwin wrote that differences in plumage coloration between male and female birds of the same species were likely the result of sexual selection: Female birds ...

Some species which Schieffelin's group apparently did bring to America, DiCostanzo said, were the sky lark (Alauda arvensis), the nightingale (Luscinia megarhynchos), the song thrush (Turdus ...

Here we report an intriguing pattern of morphological and genetic divergence at a very small spatial scale in a bird species endemic to the Lesser Antilles, the forest thrush (Turdus lherminieri ...

American robins (Turdus migratorius) set off on their migrations 12 days earlier than they did in 1994 due to warmer, ... The American robin is not the only species affected by climate change.

The UK Species Inventory is a database of all UK wildlife and it provides the taxonomic foundation for most biological recording and analysis systems. The Natural History Museum maintains this ...