It’s nesting season again. For something so basic and so essential to avian life, I believe that the act of nesting is misunderstood by many. Let’s go over some very basic stuff and ...

The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days at bird feeders and eagerly takes advantage of nest boxes ... Length 5.3". Black cap; white ...

POPULATION TREND: Once thought to be extinct, the species currently consists of an estimated 600-2,000 breeding pairs of black-capped petrels that nest in Hispaniola. A 1981 survey of black-capped ...

The black-capped petrel is a small seabird with long, black-framed wings that is also known as diablotin, or “little devil,” due to its eerie nighttime mating calls. These birds nest in the Caribbean ...

Black-capped chickadees are found at feeders throughout ... from Canada to near the Rio Grande. They nest in dead aspens because the soft wood is easy to excavate. Like all other chickadees ...

Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but occupy different habitats based on elevation. The Boulder Chickadee Study leverages an extensive ...