Nest.—They lay but a single egg, placing it generally in caves or recesses of the rocks in the face of cliffs, hundreds of feet from the ground; ashy gray in color (4.45 × 2.55).

TURKEY VULTURE.

325. Cathartes aura septentrionalis. 30 inches.

The plumage of this bird is darkish brown, the naked head being red. It is very common in the southern and central portion of its range, where it may be seen about the streets and dooryards picking up any refuse that may be edible. It is a graceful bird upon the wing, and can readily be identified at a distance by the upturned ends of the wings.

WHITE-TAILED KITE.

328. Elanus leucurus. 16 inches.

This species may be recognized by its light bluish gray mantle, black shoulders and white tail. It is a very active and graceful bird, feeding upon insects and reptiles, and small birds and mammals.

Nest.—Is usually made of sticks, weeds and leaves, placed well up in oaks or in willows beside the rivers. The eggs are creamy white, profusely blotched and spotted with reddish brown (1.65 × 1.25).

SWALLOW-TAIL KITE.