Grosbeaks


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Grosbeaks

 

a group of birds of the family Fringillidae of the order Passeriformes. Body length, 18-23 cm. It is characterized by a massive bill, adapted for breaking hard seeds and pits of fruits (such as cherries and cherry plums). There are nine species of four genera. In the USSR there are four species; the best known is the hawfinch (Coccothraustes coccothraustes), which lives in the forests and gardens of the middle and southern regions of the USSR. Grosbeaks migrate from northern regions during the winter. They nest in trees; their clutch contains four to seven eggs. Feeding first on insects, the fledglings later switch to seeds. The Grosbeak can cause damage to gardens. The juniper grosbeak (Mycerobas carnipes) lives in the mountains of Middle Asia and feeds on juniper seeds. In the deciduous forests of the Far East, there are two species of the genus Eophana. Three species of the genus Mycerobas inhabit the Himalayas, and one species of the genus Hesperiphona is found in North America.

REFERENCE

Ptitsy Sovetskogo Soiuza, vol. 5. Edited by G. P. Dement’ev and N. A. Gladkov. Moscow, 1954.
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Number of detections for each species varied more than 10-fold with Spotted Towhee having the most detections and Blue Grosbeak the least (Appendix).
Normally content to hang out in the deep forests of Canada, grosbeaks, pine siskins, finches, redpolls and other seed-eaters are winging their way south, hoping to find something to eat.
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Male and female rose-breasted grosbeaks share the duties of incubating eggs and feeding chicks, and they sing to each other when changing places at their nest.
My visit was in March, whereas the collectors of Kona Grosbeaks were present in July to October 1891 and 1892, when birds were actively feeding on abundant fruit.
I can't remember all the species now, but one was unmistakably a Rose-breasted Grosbeak.
Francis said the low vocal frequencies of mourning doves and black-headed grosbeaks appear to overlap with most human-caused noises, which may inhibit vocal communication required for repelling rivals, pairing and nesting.
Finches munch on a feeder filled with thistles, woodpeckers and grosbeaks enjoy the compacted seed block, hummingbirds and orioles flock to the nectar feeder.
The six suspects sold the birds, which included indigo and painted buntings, blue grosbeaks and Northern cardinals, between October 2004 and June 2005 in violation of the Migratory Bird Treaty Act.
querula (Nuttall), Harris's I R sparrow Family Cardinalidae (grosbeaks) Cardinalis cardinalis (Linnacus), I A northern cardinal Passerina caerulea (Linnaeus), S O blue grosbeak P.