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Collared grosbeak : ウィキペディア英語版 | Collared grosbeak
The collared grosbeak (''Mycerobas affinis'') is a species of finch in the Fringillidae family. Its range encompasses the northern regions of the Indian Subcontinent, mainly the Himalayas, along with some adjoining regions. It is found in Bhutan, India, Myanmar, Nepal and Thailand. Its natural habitat is mountainous deciduous or mixed forests. ==Description== The collared grosbeak may be the largest species in the diverse finch family, but several other species, including others in the ''Mycerobas'' genus, may rival it in size. The species can range in length from .〔''Birds of South-East Asia (Field Guide to)'' by Craig Robson. New Holland Field Guides.〕 The body mass of two males was reportedly , while a single female weighed .〔''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.〕 Among standard measurements, the wing chord is , the tail is , the bill is and the tarsus is . Adult males are glossy black on the head, upper-wings and tail. Contrasting with the black head, the collar is an earthy brownish color. The rest of the male's plumage is a rich, deep yellow. The female is olive-green on back and yellowish below with no black about the face. The juvenile birds are fairly similar in appearance to the adult female. The flight call of this bird is a mellow but rapid ''Pip-pip-pip-pip-uh''. It is also known to utter a sharp alarm call, ''kurr''. The male's song is a clear, loud and rising whistle consisting of five to six notes. The grosbeaks may utter a creaky groan in antagonistic interactions.
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