sequenced the genomes of 336 barn swallows from around the globe, encompassing all subspecies and three hybrid zones, where subspecies interbreed, in Eurasia. The researchers found a dozen regions ...

A baby owl has been named "Bob the Builder" - after it was hand-reared to avoid noisy building work. The American Barn Owl ...

all in North America ... The large northwest subspecies max­welliae is the palest and most faintly marked. The western screech owl’s bill is blackish or dark gray at the base, but gray ...