More From Paul Johnsgard

Música de las Grullas By Paul Johnsgard, Enrique Weir, Karine Gil-Weir
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“En un sábado mágico de marzo, maneje con un estudiante de postgrado hasta el valle central del Platte, al oeste de Grand Island, tanto para ver la migración primaveral de... More > aves acuáticas como la de las grullas grises..."< Less
Global Warming and Population Responses among Great Plains Birds By Paul Johnsgard
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This book summarizes the evidence from 47 years (1967–2014) of Audubon Christmas Bird Counts and finds that bird populations and winter ranges have changed for many species in the Great Plains... More > states (the Dakotas, Nebraska, Kansas, Oklahoma, and the Texas panhandle). The book offers quantitative descriptions of the winter abundance for 147 of the most commonly encountered regional species, illustrating their changes in geographic distributions and relative abundance between 1967 and 2014. As winters have become progressively warmer, the winter distributions of many birds have moved northward, by as much as two states for some species. Birds are responding to milder temperatures and longer periods of ice-free water and snow-free foraging sites in the Great Plains, and the shifts in their distribution provide critical indicators of the acceleration of global warming.< Less
A Nebraska Bird-Finding Guide By Paul Johnsgard
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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... More > 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.< Less
Wings over the Great Plains: Bird Migrations in the Central Flyway By Paul Johnsgard
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The great North-South migratory pathway across the North American Great Plains—from the tropic wintering grounds to the high arctic breeding areas—is analyzed for the first time.... More > Describes 114 U.S. and 21 Canadian localities of special importance to migrating birds. Discusses nearly 400 species of 50 avian families. Includes 7 maps, 49 figures and over 100 literature citations.< Less