what color eggs do grey catbirds lay
Breeding and Nesting. Gray Catbird: Two to six dark blue green eggs are laid in a nest made of twigs and grass, lined with finer materials, and built in a dense shrub or low tree. Incubation ranges from 12 to 13 days and is carried out by the female. Gray Catbird: Feeds mostly on insects such as beetles, caterpillars, cicadas, crickets, grasshoppers, moths, ants, and aphids; also eats spiders, fruits, berries, and seeds; forages on the ground or in shrubs and low trees.