A Guide To The Tallgrass Prairies Of Eastern Nebraska And Adjacent States, 2012 University of Nebraska-Lincoln
A Guide To The Tallgrass Prairies Of Eastern Nebraska And Adjacent States, Paul A. Johnsgard
Paul Johnsgard
Contents Part 1: Ecology of the Tallgrass Prairie Part 2: Plants of the Tallgrass Prairies: Checklist of Prairie & Grassland Plants of Nebraska; Relative Frequencies of Grasses, Spring Creek and Nine-mile Prairies; Twenty Most Abundant Fall Forbs, Spring Creek and Nine-mile Prairies; Typical Shrubs, Forbs, Grasses & Sedges of Eastern Nebraska Tallgrass Prairies; English: Latin Name Equivalents of 370 Tallgrass Prairie Plants; Latin: English Name Equivalents of 370 Tallgrass Prairie Plants Identification Keys to Some Common Nebraska Grassland Forbs Part 3: Animals of the Tallgrass Prairies Greater Prairie-chickens and Native Prairies; Seasonal Checklist of Nebraska Tallgrass Ecoregion Birds (Gage County); …
The Evolution Of Duck Courtship, 2012 University of Nebraska-Lincoln
The Evolution Of Duck Courtship, Paul A. Johnsgard
Paul Johnsgard
The courtship of ducks is unusual in several aspects. In temperate zones it generally begins very early, usually on the wintering grounds, so courtship is not a manifestation of territorial proclamation and defense as is the case with many songbirds. Nor, because of its early initiation, is courtship closely correlated with gonad growth and fertilization; rather, pair formation is normally completed prior to the period of maximum gonadal activity. Therefore, reproductive behavior in ducks may be conveniently divided into an early phase of conspicuous displays associated with actual pair formation, followed by the later and less elaborate behavior patterns concerned …
Birds Of The Great Plains: Family Caprimulgidae (Goatsuckers), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Caprimulgidae (Goatsuckers), Paul A. Johnsgard
Paul Johnsgard
Chuck-will's-widow Whip-poor-will Poor-will Common Nighthawk
Birds Of The Great Plains: Family Turdidae (Thrushes, Bluebirds, And Solitaires), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Turdidae (Thrushes, Bluebirds, And Solitaires), Paul A. Johnsgard
Paul Johnsgard
American Robin Wood Thrush Hermit Thrush Swainson Thrush Veery Eastern Bluebird Mountain Bluebird Townsend Solitaire
Birds Of The Great Plains: Family Vireonidae (Vireos), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Vireonidae (Vireos), Paul A. Johnsgard
Paul Johnsgard
Black-capped Vireo White-eyed Vireo Bell Vireo Gray Vireo Yellow-throated Vireo Solitary Vireo Red-eyed Vireo Philadelphia Vireo Warbling Vireo
Fall Distribution Of Birds In A Palouse River Canyon, 2012 Michigan State University
Fall Distribution Of Birds In A Palouse River Canyon, Frank B. Golley, Paul A. Johnsgard
Paul Johnsgard
During the fall and winter of 1953 the writers undertook a general ecological study of a portion of the Palouse River valley, near Armstrong, Whitman County, Washington. During the course of these investigations records were kept on the numbers of birds observed and the vegetation in which they were located. It was anticipated that these observations might indicate bird-use of the major vegetational types found in the area. Several investigators (Dumas 1950; Wing 1949) have published distributional data for birds of the Palouse grassland during the nesting, period, but few have been concerned with distribution patterns during the fall migration.
Cranes Of The World: 0. Contents -- Foreword -- Preface, 2012 University of Nebraska-Lincoln
Cranes Of The World: 0. Contents -- Foreword -- Preface, Paul A. Johnsgard
Paul Johnsgard
I. COMPARATIVE BIOLOGY OF CRANES 1. Classification and Evolution / 3 2. Individualistic and Social Behavior / 11 3. Vocalizations / 254. Ecology and Population Dynamics / 35 5. Comparative Reproductive Biology / 44 6. Aviculture and Hybridization / 51 7. Endangered Species and Conservation / 60 8. Cranes in Myth and Legend / 70 II. NATURAL HISTORIES OF INDIVIDUAL CRANE SPECIES 1. Crowned Cranes / 77 2. Blue Crane / 87 3. Demoiselle Crane / 95 4. Wattled Crane / 121 5. Siberian Crane / 131 6. Australian Crane / 141 7. Sarus Crane / 151 8. White-naped Crane …
Effects Of Water Fluctuation And Vegetation Change On Bird Populations, Particularly Waterfowl, 2012 University of Nebraska-Lincoln
Effects Of Water Fluctuation And Vegetation Change On Bird Populations, Particularly Waterfowl, Paul A. Johnsgard
Paul Johnsgard
In recent years reclamation activities in the Columbia Basin of Washington have resulted in profound changes in the character of the entire landscape throughout this region. The present study is an attempt to clarify some of the biological effects of impoundment behind O'Sullivan Dam in the Potholes area, Grant County (Johnsgard 1955b). In this area, a large expanse of moving sand dunes and a high water table are responsible for causing the formation of numerous small water areas, or "potholes," between the dunes. The physical nature of the area and its limited potentialities have made it of little value to …
Raptors Of Nebraska, 2012 University of Nebraska-Lincoln
Raptors Of Nebraska, Paul A. Johnsgard
Paul Johnsgard
Nebraska is a regular host to 17 species of hawks, as well as two eagles and eight owls. Collectively, all these impressive-looking birds are known as “raptors,” which refers to their strong, sharply decurved and pointed beaks, their sharp, curved talons and their associated predatory abilities. Hawk and eagles are often called “diurnal raptors,” since they all hunt during daylight hours, whereas most of Nebraska’s owls hunt at night and are described as nocturnal raptors. But few biological statements lack exceptions, and some owls such as the burrowing owl are daytime-hunters, and some such as the great homed owl hunt …
5 Reproductive Biology, 2012 University of Nebraska-Lincoln
5 Reproductive Biology, Paul A. Johnsgard
Paul Johnsgard
The reproductive potentiaI of animal species is a compound result of numerous behavioral and physiological characteristics, most of which can be considered species-typical. These include such things as the time required to attain reproductive maturity, the number of nesting or renesting attempts per year once maturity is attained, the number of eggs laid per breeding attempt, and the number of years adults may remain reproductively active. These traits place an upper limit on the reproductive potential of a species, which is never actually attained. Rather, the actual rate of increase will only approach the reproductive potential, being limited by such …
Birds Of The Rocky Mountains—Frontmatter, 2012 University of Nebraska-Lincoln
Birds Of The Rocky Mountains—Frontmatter, Paul A. Johnsgard
Paul Johnsgard
Cover Jacket copy Title page Copyright & funders Contents List of Figures List of Plates Preface and Acknowledgments
Paul Johnsgard: Comprehensive Vita And Bibliography, 2012 University of Nebraska-Lincoln
Paul Johnsgard: Comprehensive Vita And Bibliography, Paul A. Johnsgard
Paul Johnsgard
A current curriculum vitae and comprehensive bibliography for Paul A. Johnsgard, Foundation Regents Professor Emeritus at University of Nebraska-Lincoln. Dr. Johnsgard has been the author of (at least) 56 books, 104 journal articles or chapters, 87 reviews or popular articles; the subject of 7 profile articles; and the director for 12 Ph.D. dissertations and 12 M.S. theses—all listed here. Dates covered are 1953 through 2012. Dr. Johnsgard is also an illustrator and photographer. Updated May 2012.
Waterfowl Of North America: Sources, 2012 University of Nebraska-Lincoln
Waterfowl Of North America: Sources, Paul A. Johnsgard
Paul Johnsgard
Approximately 500 citations. See also the updated bibliography in the 2010 supplement: "North America’s Ducks, Geese and Swans in the 21st Century"
Order Anseriformes: From Check-List Of Birds Of The World, 2012 University of Nebraska-Lincoln
Order Anseriformes: From Check-List Of Birds Of The World, Paul A. Johnsgard
Paul Johnsgard
SUBORDER ANSERES
FAMILY ANATIDAE
SUBFAMILY ANSERANATINAE
GENUS ANSERANAS LESSON
SUBFAMILY DENDROCYGNINAE
GENUS DENDROCYGNA SWAINSON
GENUS THALASSORNIS EYTON
SUBFAMILY ANSERINAE
GENUS CYGNUS BECHSTEIN
GENUS ANSER BRISSON
GENUS BRANTA SCOPOLI
GENUS CEREOPSIS LATHAM
GENUS STICTONETTA REICHENBACH
SUBFAMILY TADORNINAE
GENUS CYANOCHEN BONAPARTE
GENUS CHLOEPHAGA EYTON
GENUS ALOPOCHEN STEJNEGER
GENUS TADORNA FLEMING
GENUS TACHYERES OWEN
SUBFAMILY ANATINAE
GENUS PLECTROPTERUS STEPHENS
GENUS CAIRINA FLEMING
GENUS PTERONETTA SALVADORI
GENUS SARKIDIORNIS EYTON
GENUS NETTAPUS BRANDT
GENUS CALLONETTA DELACOUR
GENUS AIX BOlE
GENUS CHENONETTA BRANDT
GENUS AMAZONETTA BOETTICHER
GENUS MERGANETTA GOULD
GENUS HYMENOLAIMUS GRAY
GENUS ANAS LINNAEUS
GENUS MALACORHYNCHUS SWAINSON
GENUS MARMARONETTA REICHENBACH
GENUS RHODONESSA REICHENBACH
GENUS NETTA …
Birds Of The Great Plains: Family Motacillidae (Wagtails And Pipits), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Motacillidae (Wagtails And Pipits), Paul A. Johnsgard
Paul Johnsgard
Sprague Pipit
Birds Of The Great Plains: Family Ardeidae (Herons And Bitterns), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Ardeidae (Herons And Bitterns), Paul A. Johnsgard
Paul Johnsgard
Great Blue Heron Northern Green Heron Little Blue Heron Cattle Egret Great Egret (Common Egret) Snowy Egret Tricolored Heron (Louisiana Heron) Black-crowned Night Heron Yellow-crowned Night Heron Least Bittern American Bittern
Birds Of The Great Plains: Family Strigidae (Typical Owls), 2012 University of Nebraska-Lincoln
Birds Of The Great Plains: Family Strigidae (Typical Owls), Paul A. Johnsgard
Paul Johnsgard
Screech Owl Great Horned Owl Burrowing Owl Barred Owl Great Gray Owl Long-eared Owl Short-eared Owl Saw-whet Owl
Cranes Of The World: 2. Individualistic And Social Behavior, 2012 University of Nebraska-Lincoln
Cranes Of The World: 2. Individualistic And Social Behavior, Paul A. Johnsgard
Paul Johnsgard
Like all higher organisms, cranes perform a variety of behavior patterns throughout their lives that have evolved to fulfill diverse functions. Much of their time is spent in self-directed activities necessary to maintain life and health. These individualistic or "egocentric" activities include such fundamental behaviors as breathing, eating, defecation, drinking, and sleeping or resting. Other activities, while not vital to life, are usually performed during "leisure time"; these include preening, shaking, stretching, oiling, and other actions that fall within a general umbrella of "comfort" activities. Still other activities, such as foraging and the seeking of shelter, result in aggregations of …
Ducks, Geese, And Swans Of The World: Tribe Stictonettini (Freckled Duck), 2012 University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Stictonettini (Freckled Duck), Paul A. Johnsgard
Paul Johnsgard
Freckled Duck
Even more than the Cape Barren goose, the freckled duck exhibits an assortment of anatomical traits that suggest affinities with the geese and swans, in spite of a fairly typical ducklike appearance and foraging behavior. Its unpatterned downy young, its remarkably primitive syringeal structure, and its reticulated tarsus all strongly argue for the position that this species is the sole survivor of a very ancient waterfowl lineage, with no near living relatives. A detailed study of its social behavior is greatly to be desired, for like the magpie goose, it provides an unequaled opportunity to gain insight into …
Long-Tailed Jaeger Collected In Eastern Washington, 2012 University of Nebraska-Lincoln
Long-Tailed Jaeger Collected In Eastern Washington, Paul A. Johnsgard
Paul Johnsgard
An adult female Long-tailed Jaeger (Stercorarius longicaudus) was collected on Potholes Reservoir. Grant County. Washington, June 27. 1953. The bird was observed resting on the water near the middle of the reservoir. and as I approached. I noticed it was unable to fly. It attempted to fly several times as I came near, but seemed too exhausted to be able to leave the water. It was readily captured and brought to shore. Although in apparent good health. it refused to eat. and died that night. The bird was skinned, and is specimen number 53-216 in the Charles R. Conner Museum, …