An illustration of the "ailmentary canal of Bluebird, reduced; after Audobon. a,b, gullet or oesophagus; c, proventriculus; d, gizzard; e, f, h, intestine; i, cloaca" (Forbush, 1907).

Ailmentary Canal of Bluebird

An illustration of the "ailmentary canal of Bluebird, reduced; after Audobon. a,b, gullet or oesophagus;…

The bluebird feeds on a diet of insects and spiders in the summer and berries in the winter. It usually makes its nest in the hollow limb of a tree or on the rail of a fence.

Bluebird

The bluebird feeds on a diet of insects and spiders in the summer and berries in the winter. It usually…

The bluebirds are medium-sized, mostly insectivorous or omnivorous birds in the genus Sialia of the thrush family Turdidae. These are one of the relatively few thrush genera to be restricted to the Americas. As the name implies, these are attractive birds with blue, or blue and red, plumage. Female birds are less brightly colored than males, although color patterns are similar and there is no noticeable difference in size between sexes.

Bluebird

The bluebirds are medium-sized, mostly insectivorous or omnivorous birds in the genus Sialia of the…

An illustration of a bluebird. The bluebirds are medium-sized, mostly insectivorous or omnivorous birds in the genus Sialia of the thrush family Turdidae.

Bluebird

An illustration of a bluebird. The bluebirds are medium-sized, mostly insectivorous or omnivorous birds…