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  - Although not common, can be seen in the San Pedro Riparian National Conservation Area - The yellow-billed cuckoo (Coccyzus Americanus) is a slim, long-tailed bird that is about 12 inches long and weighs about 2 ounces - They have a broad, curved bill that is yellow at the base of the lower mandible and black on top - Their head and back are grayish-brown, and their underparts are white - They also have a blackish mask across their face and a yellow eyering - Usually found in deciduous woodlands, where they hide among the thickest boughs and foliage -  Mainly eat insects, especially tent caterpillars and cicadas, but also some lizards, eggs of other birds, and berries - Common folk names for the yellow-billed cuckoo are rain crow and storm crow ... this likely refers to the bird's habit of calling on hot days, often presaging rain or thunderstorms - Listed in 2014 under the federal Endangered Species Act , and is in need of immediate conservation action