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Yellow-billed Magpie
(Pica nuttalli)
Description: 16-18" (41-46 cm). A slightly smaller version of Black-billed Magpie, but with yellow bill and bare yellow area of skin behind eye. Large white wing patches and long, wedge-shaped, iridescent greenish-black tail. Juvenile has blackish beak and lacks bare face patch. Ranges of two magpies do not overlap.Voice: A raucous qua-qua-qua and a querulous quack.
Habitat: Oak savannas, oak woods, riverside growth, ranches, and suburbs.
Nesting: 5-8 blotched, olive green eggs in a large, domed stick nest; breeds in colonies in tall trees usually so overgrown with mistletoe that it is often hard to detect the nests.
Range: Resident in California's Central Valley and adjacent foothills.
Discussion: A colony of Yellow-billed Magpies lives communally year round, feeding, socializing, and collectively mobbing predators. This magpie has found in vacant city lots and weedy storage yards a substitute for habitats it lost to intensive agriculture. It has become a city bird but keeps away from places where people gather.