I’ve recently been doing surveys for Marin’s Breeding Bird Atlas project. The basic idea is this: divide the county up into 221 blocks of about 1,500 acres each, recruit skilled volunteer observers to ...

New research shows that variation in mating behaviors, parental care and differences in ornamentation of the sexes in bird species is driven by demographics rather than vice versa. An international ...

Parakeets are one of the most popular choices for pets. While the term "parakeet" encompasses over a hundred species of small parrots, for most people, it’s synonymous with one specific species: the ...