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The thick-billed kingbird (''Tyrannus crassirostris'') is a large bird in the Tyrannidae family, the tyrant flycatchers. This bird breeds from southeastern Arizona, extreme southwestern New Mexico, and northern Sonora, (the Madrean sky islands), in the United States and Mexico, through western and western-coastal Mexico, south to western Guatemala. This is a large tyrant flycatcher, with adults measuring in length.〔()〕〔()〕 Adults are dusky olive-brown on the upperparts with light underparts; they have a long dark brown or black tail. The underside is a dull white to pale yellow. They have a yellow patch on their crown, but is not visible very often. The bill on this species, for which it is named, is rather large-and-stocky compared to other members of this group and it is one of this kingbirds most distinguishing characteristics. The call is a loud, whistled ''pwaareeet''. Thick-billed kingbirds usually occur in arid or partly arid areas in streamside riparian canyons, or open areas near water. They are particularly fond of sycamore woodland edges. They make a nest in a tree branch, usually close to the trunk above 6 meters high. The female lays three to five eggs. These birds are mostly resident in territories year round, but birds in the United States will retreat southward for the winter. They wait on an open perch usually rather high or on top of the tree and fly out to catch insects in flight, (hawking). ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Thick-billed kingbird」の詳細全文を読む スポンサード リンク
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