dark-eyed junco

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Noun1.dark-eyed junco - common North American junco having grey plumage and eyes with dark brown irisesdark-eyed junco - common North American junco having grey plumage and eyes with dark brown irises
junco, snowbird - small North American finch seen chiefly in winter
References in periodicals archive ?
However, common species were generally the same for each study, including mountain chickadee, pygmy and white-breasted nuthatch, dark-eyed junco, western bluebird, hairy woodpecker, northern flicker, and Steller's jay.
Dark-eyed Junco was recorded from 6 of the transects, and its numbers represented >1% of the total.
As an initial test of whether junco song has the potential to reliably signal population of origin, I investigated whether territorial male Dark-eyed Juncos in eastern North America (Virginia) would respond differently to playbacks of song recorded in their local population (Junco hyemalis carolinensis) and playbacks of song recorded in a geographically distant population of a different Dark-eyed Junco subspecies (Junco hyemalis thurberi) in western North America (California).
Ambrosia occurred more frequently in white-throated sparrow and song sparrow food availability samples than in those of northern cardinals, and Digitaria was recorded in higher percentages of song sparrow and dark-eyed junco than white-throated sparrow food availability samples.
The purpose of this study was to examine ways that subspecies within the Dark-eyed Junco complex have diverged morphologically in traits shown to be influenced by both social and environmental conditions.
Testosterone and avian life histories: effects of experimentally elevated testosterone on behavior and correlates of fitness in the Dark-eyed Junco (Junco hyemalis).
Dark-eyed Juncos breeding at 2,000 m in Jasper National Park, Alberta had a 59% reduction in seasonal duration of clutch initiation compared to juncos at 1,000 m in the same area (40 vs.
To test this idea, a team of researchers from Indiana University studied a common songbird, the dark-eyed junco in the Appalachian Mountains of Virginia.
A field study of the relationship between testosterone and natural selection in an American songbird, the dark-eyed junco, has defied some expectations and confirmed others.
Total species captured = 74 Number of interannual Whigg Meadow (1999-2008) Total captured recaptures Tennessee Warbler Oreothlypis peregrina 4,324 14 Swainson's Thrush Catharus ustulatus 855 0 Black-throated Blue Warbler Setophaga caerulescens 795 0 Dark-eyed Junco Junco hyemalis 780 0 Ovenbird Seiurus aurocapilla 437 0 Total species captured = 80 Number of interannual Big Bald (2003-2008) Total captured recaptures Tennessee Warbler 5,541 0 Swainson's Thrush 2,484 0 Black-throated Blue Warbler 1,631 0 Cape May Warbler Setophaga tigrina 674 1 Ovenbird 587 0
Most taxa currently included in the Dark-eyed Junco (J.