Download or read book Nesting Adaptations of Tricolored Blackbirds Agelaius Tricolor written by Lizette Cook and published by . This book was released on 1996 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Some Adaptations of Marsh Nesting Blackbirds MPB 14 Volume 14 written by Gordon H. Orians and published by Princeton University Press. This book was released on 2020-03-31 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: The variety of social systems among the New World blackbirds (Family Icteridae) and the structural simplicity of their foraging environment provide excellent opportunities for testing theorics about the adaptive significance of their behavior. Here Gordon Orians presents the results of his many years of research on how blackbirds utilize their marsh environments during the breeding season. These results stem from information he gathered on three species during ten breeding seasons in the Pacific Northwest, on Red-winged blackbirds during two breeding seasons in Costa Rica, and on three species during one breeding season in Argentina. The author uses models derived from Darwin's theory of natural selection to predict the behavior and morphology of individuals as well as the statistical properties of their populations. First he tests models that predict habitat selection, foraging behavior, territoriality, and mate selection. Then he considers some population patterns, especially range of use of environmental resources and overlap among species, that may result from those individual attributes. Professor Orianns concludes with an overview of the structure of bird communities in marshes of the world and the relation of these patterns to overall source availability in these simple but productive habitats.
Download or read book Tricolored Blackbird Status Update and Management Guidelines written by Edward C. Beedy and published by . This book was released on 1997 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book East Contra Costa County Habitat Conservation Plan and Natural Community Conservation Plan written by and published by . This book was released on 2006 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sierra Nevada Forest Plan Amendment Appendices written by and published by . This book was released on 2001 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: Map packet : Modified Alternative 8 -- Series normalized Sierra Nevada Ecosystem Project late seral old growth ranks by forest type -- Herger-Feinstein Quincy Library Group land allocations.
Download or read book Sierra Nevada Forest Plan Amendment written by and published by . This book was released on 2001 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pacific Gas Electric Company San Joaquin Valley Operations and Maintenance Program Habitat Conservation Plan written by and published by . This book was released on 2006 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book California Bird Species of Special Concern written by and published by . This book was released on 2008 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nest Survival of Tricolored Blackbirds in California s San Joaquin Valley written by Kelly Weintraub and published by . This book was released on 2013 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Post hoc analyses indicated that larger population sizes had a negative effect on DSR in 2011 but a positive effect in 2012 and that the presence of white-faced ibis (Plegadis chihi) lowered tricolored blackbird nest survival. Number of young produced per nest varied by site, was lowest in colonies of 1,000 - 5,000 birds, and was higher in 2011 than 2012. Managers of habitats used by tricolored blackbirds should continue to protect colonies in silage fields and consider management approaches that increase the height of nesting substrate and discourage white-faced ibis from nesting in association with tricolored blackbirds. In addition, small colonies that begin nesting late in the season can be productive and should not be dismissed as unimportant.
Download or read book The Ecology of Riparian Habitats of the Southern California Coastal Region written by and published by . This book was released on 1989 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biological Report written by and published by . This book was released on 1989 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Condor written by and published by . This book was released on 1998 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tricolored Blackbird written by Edward C. Beedy and published by . This book was released on 1999 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Field Guide to Birds of the Northern California Coast written by Rich Stallcup and published by Univ of California Press. This book was released on 2014-08-06 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Northern California coast--from Monterey County to the Oregon border--is home to some of the richest avian habitats on the North American continent. Field Guide to Birds of the Northern California Coast provides a comprehensive ecological overview of this extensive and diverse region. It features detailed discussions of the area's most common waterbirds, raptors, and landbirds and highlights the most productive birding sites in each Northern California coastal county. Accessibly written and user-friendly, this guide contains nearly 250 species accounts that focus on seasonal rhythms and behavioral characteristics of each species. More than 130 color photographs and hand-drawn sketches depict the birds in context, and maps and occurrence charts indicate when readers might spot each species.
Download or read book Breeding Status Distribution and Habitat Associations of the Tricolored Blackbird Agelaius Tricolor 1850 1989 written by Edward C. Beedy and published by . This book was released on 1991 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wildlife Review written by and published by . This book was released on 1960 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Role of Habitat in the Distribution and Abundance of Marsh Birds written by Milton Webster Weller and published by . This book was released on 1965 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
