References in periodicals archive ?
Among parasitized nests, an average of 1.4 Brown-headed Cowbird eggs were counted (range 1-4; SE = 0.34), none of which hatched.
I attended a lecture by Dubina in 2013 about cowbird truths and myths.
Scientists are studying the recent downturn in cowbird populations and advising conservation managers as to whether they can spend less on the costly programs.
Second, the Service initiated a brown-headed cowbird control program to remove cowbirds from active warbler nesting areas, reducing the threat of nest parasitism.
The main sources of nest mortality for North American songbirds include predation (Martin, 1988, 1993; Martin and Li, 1992) and brown-headed cowbird parasitism (Friedmann and Kiff, 1985; Ortega, 1998).
Epigenesis of cowbird song: A Joint endeavor of males and females.
Brood parasite: brown-headed cowbird (Molothrus ater) [cited 2015 Aug 8].
The species used as reference to evaluate andcorrect the incidence of positive phases are:blackbird (Turdus fuscater), red beak moorhen(Gallinula chloropus), shiny cowbird (Molothrus bonariensis), rufous-collared sparrow (Zonotrichia capensis), and yellow beak moorhen (Fulica americana).
The agency has also gunned down the brown-headed cowbird, boat-tailed grackle, common raven, American crow, fish crow and waterfowl and wading birds that relish the coastal wetlands neighboring Kennedy, such as the wood duck, bufflehead, American wigeon, semipalmated plover, sanderling, least sandpiper, black-crowned night heron, great egret and cattle egret, according to Port Authority records.
Supposedly the cowbird chicks would pick parasitic botflies off the rightful nestlings.
Cowbird is another site that does something similar.
The brown-headed cowbird (Molothrus ater), an obligate brood parasite, had previously shown greater resistance to infection with WNV, lower viremia and faster recovery when infected, and lower subsequent antibody titers than the red-winged blackbird (Agelaius phoeniceus), a close relative that is not a brood parasite.
Fresno, CA, June 17, 2013 --(PR.com)-- Prose and Poetry arising out of the first four years of Forsaken Stars, the science-fiction, horror and fantasy webcomic and blog, the collection includes the short stories, "A Soulless Christmas," "Ninth Circle" and the all new "Cowbird and Cactus"; the song lyrics "Rock Eternal"; the poem "An Astronaut Vampire's Lament"; the mini comic script "Unicorns and Rainbows"; six micro-stories 140 characters and under collected as "Late Night Tweet Fiction," and a never-before-seen transcript to John East's interview with the Vampire Azzi.
The most commonly encountered species, in descending order of relative abundance (individuals detected per point count) were brown-headed cowbird, dickcissel, grasshopper sparrow, and eastern meadowlark.
Do you know what Cowbird, Stylistics and Raverly have in common?
Thesaurus browser ?
- cow barn
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- cowl muscle
- cownose ray
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- cowpea plant
- cowpen daisy
Full browser ?
- cowards die many times before their deaths
- Cowasji Patel Tank
- Cowboy action shooting
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- Cowboy Bebop
- Cowboy Bebop The Movie
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