Why is it called that?
Black-capped chickadee: Chickadee is onomatopoeic.
Sandhill crane: Often uses small hills for its courtship dance.
Frigatebird: Named by seaman for its habit of pursuing and robbing other birds.
Harrier: From the bird's harrying of poultry, dates to 16th century.
Jaeger: German for hunter. Three species, all hunters.
Loon: Not for its maniacal call, but from old Danish or Swedish word loam or lim, meaning lame, in reference to the bird's awkward movement on land.
Oldsquaw: No longer in use for its insensitive reference to noisy chatter. The bird is now known as long-tailed duck.
Phoebe and pewee: They sing their names.