Most birds make two kinds of vocal sounds – calls and songs ... When they see another crow from the same flock, they will use a call that is less shrill and less repetitive.

For the first time in years, a rare bird is flying free in the forests of Hawaii. The ʻalalā is a species of crow found only on the Hawaiian ... The crows' loud calls echo between the buildings in a ...

The American crow is the “default” crow across most of North America. It overlaps broadly with the common raven, and to a lesser extent with the Chihuahuan raven, fish crow, and northwestern crow.

For the first time in years, a rare bird is flying free in the forests of Hawaii. The ʻalalā is a species of crow found only on ... The crows' loud calls echo between the buildings in a squawky ...