The wrybill or ngutuparore (Māori) Anarhynchus frontalis is a species of plover endemic to New Zealand. 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... Found on http://en.wikipedia.org/wiki/Wrybill
(Anarhynchus frontalis), New Zealand bird of the plover family, Charadriidae (order Charadriiformes), with the bill curved about 20° to the right. ... Found on http://www.britannica.com/eb/a-z/w/56