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Pale-winged trumpeter
The pale-winged trumpeter (''Psophia leucoptera''), also known as the white-winged trumpeter, is a species of bird in the Psophiidae family. It is found in the southwestern Amazon rainforest of Brazil, northern Bolivia, and eastern Peru.
It has two subspecies: The widespread nominate has a white rump and is found south of the Amazon River and west of the Madeira River, while ''ochroptera'' has a yellowish rump and is found between the Amazon River and the lower Rio Negro. Genetic evidence suggests the closest relative of ''ochroptera'' is the grey-winged trumpeter, leading some to treat it as a separate species, the ochre-winged trumpeter (''P. ochroptera'').〔Ribas, Aleixo, Nogueira, Miyaki and Cracraft. 2011. A palaeobiogeographic model for biotic diversification within Amazonia over the past three million years. Proceedings of the Royal Society〕
The reproductive behavior of the nominate subspecies of the pale-winged trumpeter is the best known of all the trumpeters'. Groups of adults defend a territory together. Several males mate with the dominant female, the dominant male doing so most often. She lays an average of three eggs in a hole in a tree, where both males and females incubate. The young hatch covered with thick, dark, cryptically patterned down. Soon afterwards, they jump down to the ground and follow the adults. Their call is a loud staccato trumpeting.
==References==
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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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