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Articles 1 - 4 of 4
Full-Text Articles in Animal Sciences
Rocky Mountain Birds: Birds And Birding In The Central And Northern Rockies, Paul A. Johnsgard
Rocky Mountain Birds: Birds And Birding In The Central And Northern Rockies, Paul A. Johnsgard
Zea E-Books Collection
“The Rocky Mountain region has fascinated me ever since I traveled to Glacier and Yellowstone National Parks as a teenager, and saw for the first time such wonderful birds as ospreys, American dippers, and Lewis’s woodpeckers.”
This book is in part based on the author’s earlier Birds of the Rocky Mountains (1986, revised 2009), but over a third of the original text has been eliminated. The rest has been updated, expanded and modified to be less technical and more useful to birders in the field. Bird enthusiasts will find viewing locations and updated contact information for hundreds of sites in …
Preserving Field Notes On Songbird Biology At Indiana University, Eric Snajdr, Ellen D. Ketterson
Preserving Field Notes On Songbird Biology At Indiana University, Eric Snajdr, Ellen D. Ketterson
Val Nolan Jr. (1976 Acting; 1980 Acting)
No abstract provided.
An Assessment Of Stable Hydrogen-Isotope Analysis Methods To Assign Geographic Origin To Migratory Red-Tailed Hawks (Buteo Jamaicensis), Carla Marie Ahlschwede
An Assessment Of Stable Hydrogen-Isotope Analysis Methods To Assign Geographic Origin To Migratory Red-Tailed Hawks (Buteo Jamaicensis), Carla Marie Ahlschwede
Department of Environmental Studies: Undergraduate Student Theses
Stable-hydrogen isotopes are becoming an increasingly popular method of studying migratory birds, though sample preparation methods may affect results. In this study I examined feathers from red-tailed hawks (Buteo jamaicensis) to determine the relationship between measure of δD due to inter-feather variation or drying methods, assessed the accuracy of results by using two birds of known-origin and estimated possible natal origins of migratory red-tailed hawks. Two feathers per individual were taken from 81 wild hawks caught at Hitchcock Nature Center near Crescent IA and from 2 rescued red-tailed hawks, Raptor Recovery Nebraska near Eagle, NE. 119 of the …
A Nebraska Bird-Finding Guide, Paul A. Johnsgard
A Nebraska Bird-Finding Guide, Paul A. Johnsgard
Zea E-Books Collection
Nebraska lies in the transition zone between North American eastern and western avifaunas and is home to more than 200 breeding and 150 migrant species. This definitive guide to Nebraska birdwatching by the state’s preeminent ornithologist includes a county-by-county rundown of the best sites, a calendar of migrations, an annotated checklist of regularly occurring Nebraska birds, and recommendations for optical equipment, publications and reference materials, and contact information for conservation and ornithological groups. It features 48 maps as well as photographs and drawings by the author.
Paul Johnsgard, Foundation Professor Emeritus of Biological Sciences at the University of Nebraska–Lincoln, is …