WHITE-NECKED RAVEN.
487. Corvus cryptoleucus. 21 inches.
A smaller bird than the above, and has the base of the neck feathers white. It is a more southern variety, and is found in Arizona and on the Mexican borders. They build at low elevations, making their nests of sticks and twigs. Four pale blue eggs, spotted with dark brown (1.75 × 1.20).