The "Cassin's Kingbird's" tail is squared or slightly notched and is lightly tipped in gray. His wing coverts are also edged in pale gray. This kingbird has a rather small bill.
Breeding habits.
These birds breed in open woodlands and mountains of oak and pinyon juniper.
Calls or song.
The Cassin's sings in a low, nasal voice, "queer, chi-queer" or an excited, "ki-ki-ki-dear, ki-dear."
Population and distribution.
The "Cassin's Kingbird" rarely strays from its breeding grounds in southern Montana, eastern Colorado, Arizona and New Mexico.