STATUS: Common.
HABITAT: Inhabits canyons and hillsides of oak and pine-oak woodlands, adjacent riparian forests, and occasionally ventures into adjacent pure pine woodlands or more open scrub, from 2,000 to 9,000 feet in elevation.
SPECIAL HABITAT REQUIREMENTS: Live oaks within its home range.
NEST: Builds nest in a fork, crotch, or on a horizontal branch of oaks or pines, typically 10 to 25 feet, but ranging from 6 to 54 feet above the ground. May nest singly or in loose colonies, and participates in communal nest building.
FOOD: Usually forages on the ground and in trees for acorns, insects, lizards, eggs and young birds, fruits, and seeds.
REFERENCES: Goodwin 1976, Gross 1949, Terres 1980, Wilmore 1977.