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Wrybill
The wrybill or ngutuparore (Māori) ''Anarhynchus frontalis'' is a species of plover endemic to New Zealand.〔Barrie Heather and Hugh Robertson, ''"The Field Guide to the Birds of New Zealand"(revised edition)'', Viking, 2005〕 It is unique in that it is the only species of bird in the world with a beak that is bent sideways (always to the right).
It lays its eggs among the rocks along rivers and distracts intruders by pretending to be in distress and moving away from its "nest".
==Description==
The wrybill is a small, plump plover, measuring in length and weighing between . The plumage is slightly sexually dimorphic. The male has a white forehead and pale grey crown, nape, back, wings and tail and a white throat, breast, belly and rump, with a thin black band across the breast. This band is thinner in the female, and much less distinct in both sexes in the non-breeding season. The other difference between the sexes is a small black bar between the white forehead and the grey crown, which is present in the males but not the females. As with the breast band it is reduced in the non-breeding season. The most distinctive feature of the bird is the long black bill, which is always curved to the right. The wrybill is the only species of bird with an asymmetrically turned bill.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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