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Articles 32821 - 32850 of 36397
Full-Text Articles in Entire DC Network
Annotated Checklist Of Mammals Of The Yucatan Peninsula, Mexico. I. Chiroptera, J. Knox Jones Jr., James Dale Smith, Hugh H. Genoways
Annotated Checklist Of Mammals Of The Yucatan Peninsula, Mexico. I. Chiroptera, J. Knox Jones Jr., James Dale Smith, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
Our field investigations on the Yucatán Peninsula were initiated in the summer of 1962 when two field parties from the Museum of Natural History at the University of Kansas visited the area. One field party consisted of W.E. Duellman and six students enrolled in a summer field course in vertebrate zoology; the other party was composed of the senior author and four students who were conducting a survey of Middle American terrestrial vertebrates and their ectoparasites. Some of the data relative to ectoparasites obtained during this study have appeared in the publications of Emerson (1971), Kohls et al. (1965), Loomis …
Time For Bird Counts Rated As Well Spent, Jessie Maye Smith
Time For Bird Counts Rated As Well Spent, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
24 Gambel Quail, Paul A. Johnsgard
24 Gambel Quail, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Callipepla gambelii (Gambel) 1843
Other vernacular names: Arizona quail, Codorniz de Gambel, desert quail, Olanthe quail.
Range: From southern Nevada, southern Utah, and western Colorado south to northeastern Baja California, central Sonora, northwestern Chihuahua, and western Texas.
25 California Quail, Paul A. Johnsgard
25 California Quail, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Callipepla californica (Shaw) 1798
Other vernacular names: California partridge, Catalina quail, Codorniz Californiana, crested quail, San Lucas quail, San Quintin quail, topknot quail, valley quail
Range: From southern Oregon and western Nevada south to the tip of Baja California. Introduced into southern British Columbia, Washington, Idaho, northern Oregon, and Utah
26 Bobwhite, Paul A. Johnsgard
26 Bobwhite, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Colinus virginianus (Linnaeus) 1758
Other vernacular names: American colin, Codorniz Común, Cuiche Común, partridge, quail
Range: Virtually all of the eastern United States north to southern Maine, New York, southern Ontario, central Wisconsin, and central Minnesota, west to southeastern Wyoming, eastern Colorado, eastern New Mexico, and eastern Mexico south to Chiapas and adjacent Guatemala, but excluding the lowlands of Yucatán. Also existing as isolated populations in Sonora (largely extirpated) and as introduced populations in the Columbia and Snake river basins of Washington, Oregon, Idaho, and northwestern Wyoming (Bighorn and Shoshone River valleys).
27 Black-Throated Bobwhite, Paul A. Johnsgard
27 Black-Throated Bobwhite, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Colinus nigrogularis (Gould) 1843
Other vernacular names: Black-throated quail, Codorniz Garganta Negra, Cuiche Yucateco, Yucatán bobwhite.
Range: The Yucatán peninsula, the Lake Petén district of Guatemala, and coastal portions of British Honduras and Honduras, to extreme northeastern Nicaragua.
28 Spotted Wood Quail, Paul A. Johnsgard
28 Spotted Wood Quail, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Odontophorus guttatus (Gould) 1838
Other vernacular names: Bolonchaco, spotted partridge, thick-billed wood quail
Range: Forested parts of the subtropical zone of southeastern Mexico south through Guatemala, British Honduras, Honduras, Nicaragua, and Costa Rica to extreme western Panama.
29 Singing Quail, Paul A. Johnsgard
29 Singing Quail, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Dactylortyx thoracicus ( Gambel) 1848
Other vernacular names: Chiviscoyo, Cinco Real, Codorniz, Chifladora, long-clawed quail, long-toed partridge, long-toed quail
Range: Mountainous areas from Mexico to El Salvador and Hondu
30 Harlequin Quail, Paul A. Johnsgard
30 Harlequin Quail, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Cyrtonyx montezumae (Vigors) 1830
Other vernacular names: Black quail, Codorniz Encinera, Codorniz Pinta, crazy quail, fool quail, massena quail, Mearns quail, Montezuma quail, painted quail, squat quail
Range: Southwestern United States south to Oaxaca, Mexico. The doubtfully distinct species C. ocellatus (Gould) extends from southern Oaxaca to Nicaragua.
31 Gray Partridge, Paul A. Johnsgard
31 Gray Partridge, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Perdix perdix (Linnaeus) 1758
Other vernacular names: Bohemian partridge, English partridge, European partridge, Hungarian partridge, Hun, Hunkie
Range: Native to Europe and Asia but introduced into North America and now widely established in southern Canada and the northern United States (see distribution map). The North American population was probably derived from stock representing several different geographic races.
32 Chukar Partridge, Paul A. Johnsgard
32 Chukar Partridge, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Alectoris chukar (Gray) 1830
Alectoris graeca (Meisner)
Other vernacular names: Chukor, Indian hill partridge, rock partridge (refers to graeca only).
Range: Native to Eurasia, from France through Greece and Bulgaria (typical graeca) southeastward through Asia Minor and southern Asia (typical chukar). These two populations should probably be regarded as separate species (Watson, 1962a, b), and all of the introduced United States stock is apparently referable to A. chukar. The racial origin of the birds introduced into North America is varied and includes not only Indian stock (probably A. c. chukar, as recognized by Sushkin, 1927) but …
Keys To Identification, Paul A. Johnsgard
Keys To Identification, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
The three following keys can be used to identify unfamiliar species of North American grouse or quails that may be examined in the hand. Unless one is certain that the bird represents either a grouse or a quail, he should begin with the first key. The procedure, as in the use of all such keys, is to choose which of the two initial alternative descriptive couplets (A and AA) best fits the unknown bird. Having chosen one of these, proceed to the choice of couplets (B and BB) occurring immediately below the couplet chosen, without further regard for descriptions listed …
Name Derivations, Paul A. Johnsgard
Name Derivations, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
From: Alectoris—from Latin alector (Greek alectryon): cock ...
through:
Tympanuchus—from Greek tympanon: a drum
Sources, Paul A. Johnsgard
Sources, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Bibliography; more than 600 works cited
Index, Paul A. Johnsgard
Index, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
Index of vernacular and scientific names
English vernacular names indexed here are for the most part those used in this book for species or larger groupings. Vernacular names for subspecies as well as alternative vernacular names for species are included only if they are in general usage or have been referred to in the text discussions. Plates and figures are identified by number, and pages containing major discussions of each species are indicated by boldface.
Scientific Names: Names indexed here are restricted to those of subspecies, species, or larger groupings of galIinaceous birds mentioned in the text. Technical names of …
Color Plates, Paul A. Johnsgard
Color Plates, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
32–35. Sage Grouse • 36–39. Blue Grouse • 40–43. Spruce Grouse • 44–46. Willow Ptarmigan • 47–49. Rock Ptarmigan • 50–51. White-tailed Ptarmigan • 52–54. Ruffed Grouse • 55–58. Pinnated Grouse • 59–60. Sharp-tailed Grouse • 61. Downy Young of Grouse and Partridges • 89. Long-tailed Tree Quail • 90. Bearded Tree Quail • 91. Mountain Quail • 92. Barred Quail and Scaled Quail • 93. Elegant Quail • 94. Gambel Quail • 95. Scaled Quail • 96. Gambel Quail • 97. Hybrid Gambel x Scaled Quail • 98. California Quail • 99. Bobwhite Quail • 100. Spotted Wood Quail …
Black & White Photographs, Paul A. Johnsgard
Black & White Photographs, Paul A. Johnsgard
Grouse and Quails of North America by Paul A. Johnsgard
1–4. Sage Grouse • 5–12. Blue Grouse • 13–17. Spruce Grouse • 18–22. Willow Ptarmigan • 23–26. Rock Ptarmigan • 27–31. White-tailed Ptarmigan • 62–65. Ruffed Grouse • 66–69. Sharp-tailed Grouse • 70–79. Pinnated Grouse • 80. Buffy-crowned Tree Quail Habitat • 81. Bearded Tree Quail • 82–84. Barred Quail • 85–87. Scaled Quail • 88. Mountain Quail • 111. Hybrid Barred × Scaled Quail • 112. Hybrid Mountain × California Quail • 113. Hybrid California × Scaled Quail • 114. Hybrid Scaled × Gambel Quail • 115. Hybrid Bobwhite × Gambel Quail • 116. Hybrid Bobwhite × California Quail …
Bird Gossip Offered By Audubon Society, Jessie Maye Smith
Bird Gossip Offered By Audubon Society, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Effects Of Tubal Ligation And Salpingectomy On Pregnancy, Ottis Murphy Lane
Effects Of Tubal Ligation And Salpingectomy On Pregnancy, Ottis Murphy Lane
Morehead State Theses and Dissertations
A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Ottis Murphy Lane May 1, 1973.
Kentucky Warbler (Vol. 49, No. 2), Kentucky Library Research Collections
Kentucky Warbler (Vol. 49, No. 2), Kentucky Library Research Collections
The Kentucky Warbler
No abstract provided.
Mechanisms Of Population Regulation In Confined Colonies Of Peromyscus Maniculatus (Wagner) And The Response To Exploitation, Donna Corn Olsen
Mechanisms Of Population Regulation In Confined Colonies Of Peromyscus Maniculatus (Wagner) And The Response To Exploitation, Donna Corn Olsen
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Wild-trapped and laboratory-reared Peromyscus maniculatus (Wagner) were raised as confined colonies indoors with various stocking densities ranging from 0.026 to 0.100 mice per sq. ft. in pens of 40, 77, and 154 sq. ft. The animals were individually tagged and all pens were censused at weekly or semi-monthly intervals to record animals present, body weights, food consumption, and overt reproductive condition. At the termination of each experiment, all mice were necropsied and organ weights of gonads and adrenals recorded. Histological sections were made of the testes and ovaries. Half the colonies were subjected to density-independent exploitation by removal of 50% …
The Relationship Of Climatic Factors To Grazing Activities Of Cows On Winter And Spring Ranges, Benton M. Smith
The Relationship Of Climatic Factors To Grazing Activities Of Cows On Winter And Spring Ranges, Benton M. Smith
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The purpose of this research was to investigate the effects of climatic variations upon the daily activities of grazing cattle. The activities of individual cows on a partially seeded salt desert shrub range were observed and recorded during three grazing periods. Two of the periods were during consecutive winters and the other during the spring. Climatic variations during the second winter period were quantified and compared to changes in the daily activity patterns of the cattle.
Distinctly different daily routines of cattle activities were evident for the winter and spring seasons. In the spring, the cattle grazed, traveled, and drank …
Impact Of The Black-Tailed Jackrabbits (Lepus Californicus) On Vegetation In Curlew Valley, Northern Utah, Mark Westoby
Impact Of The Black-Tailed Jackrabbits (Lepus Californicus) On Vegetation In Curlew Valley, Northern Utah, Mark Westoby
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The interrelations of black-tailed jackrabbits and the desert-shrub vegetation on which they were feeding were studied in Curlew Valley, Northern Utah. The vegetation was described as a three-cornered continuum, the corners being types dominated respectively by Artemisia tridentata, Atriplex confertifolia, and Sarcobatus vermiculatus.
Jackrabbit diet was studied by microscopic analysis of plant fragments in stomachs from shot animals. The method was inaccurate, apparently because the ratio of identifiable tissues to all ingested tissues was very low, and varied between plant taxa, and seasonally. This problem seems intractable for desert shrub vegetation.
The diet was similar to that …
Factors Affecting Feeding Habits Of Sheep Grazing Foothill Ranges Of Northern Utah, Farid D. Iskander
Factors Affecting Feeding Habits Of Sheep Grazing Foothill Ranges Of Northern Utah, Farid D. Iskander
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
An experiment was designed to study the effects of forage availability, season and intensity of grazing, and distribution and behavior of sheep on their forage preferences. Three grazing periods of 15 days each were used to study the effect of season. Each grazing period included a heavy and a moderate stocking intensity. Pastures were divided by a grid into 30.48 m x 30.48 m compartments. Each compartment was sampled for botanical composition of available herbage prior to and after grazing. Esophageally fistulated sheep were allowed to graze freely and positions of individual sheep with respect t o compartments were recorded …
Economics Of Carry-Over Production And Increased Grazing Season Length Due To Range Fertilization, Paul W. Mccormick
Economics Of Carry-Over Production And Increased Grazing Season Length Due To Range Fertilization, Paul W. Mccormick
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This paper entails the economic and biological interpretation of the response of rangeland grasses to nitrogen fertilization. Six sites throughout Utah received graduated rates of fertilizer. The coefficients of the production function
Y = a + bN - cN2
were identified.
An initial production and a carry-over response were identified on sites receiving greater than ten inches of annual precipitation. Optimum fertilization rates may be identified by equating the marginal physical product to the ratio of the price of nitrogen to the price of the forage.
Forage response to nitrogen is reflected strongly in the early growth response in …
A Computerized Performance Record Keeping System For Beef Cattle In Utah, John J. Pierce
A Computerized Performance Record Keeping System For Beef Cattle In Utah, John J. Pierce
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A computer program was developed at Utah State University (USU) to aid in obtaining a more complete individual performance record keeping system for beef cattle in Utah. Some computer programs for beef cattle records presently exist but a program was needed that was readily available to the USU animal science extension and resident staff.
The program was written in FORTRAN for use on the Burrogh 6700 computer located at the Utah State University Computer Center. It was designed to read input data for individual animals, perform various calculations (i. e. days of age, adjusted weaning weight and weaning weight ratio), …
Overwinter Mortality Of Trout In Temple Fork Of The Logan River, Daniel Richard Cerven
Overwinter Mortality Of Trout In Temple Fork Of The Logan River, Daniel Richard Cerven
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The objectives of this study were to determine the mortality rates of trout in Temple Fork of the Logan River during the winter of 1970-1971 and to identify factors related to trout mortality.
Trout in seven 100-m sections of the 7 3-km stream were sampled by electroshocking in October, December, February, and April. Captured trout were weighed measured and tagged or fin-clipped. Scale samples were taken for age determinations and the fish were returned to the creek.
Water temperature, snow cover, and anchor ice were monitored.
Three species of trout were found in Temple Fork: brown, rainbow, and cutthroat trout. …
Trout Movements In A Small Mountain Stream, Thomas Mark Twedt
Trout Movements In A Small Mountain Stream, Thomas Mark Twedt
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Five groups of 400 hatchery rainbow trout, (Salmo gairdneri), were stocked in a small, mountain stream at 3-week intervals from June to September, 1972. A fish trap captured any fish moving out of a 500 m study section.
Fish began moving at high levels during the first day of each stocking and continued at high rates for 5-8 days (Early Phase), after which movement decreased to low levels for 6-9 days (Late Phase). Early Phase fish moved primarily at night, possibly due to their disoriented state and high subjectivity to stream conditions. Fish moving during Late Phase did …
Habitat Selection By Large Wild Ungulates And Some Aspects Of The Energy Flow In A Sub-Tropical African Savanna Woodland Ecosystem, Stanley M. Hirst
Habitat Selection By Large Wild Ungulates And Some Aspects Of The Energy Flow In A Sub-Tropical African Savanna Woodland Ecosystem, Stanley M. Hirst
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A study of habitat selection by large wild ungulates was carried out on a 50 cm2 area in the sub-tropical Lowveld region of eastern Transvaal province, South Africa. Estimations were made of herbaceous forage net productivity and ungulate secondary productivity on the same area.
Fourteen vegetation types, varying in composition and structure from open savanna to dense woodland, were delineated by association analysis. Structural and vegetational characteristics which were considered to influence ungulate distribution were measured within each vegetation type.
The study area supported resident populations of seven ungulate species during the wet season; drv season densities were higher …
Effects Of Exercise On Serum Lactate Dehydrogenase Activity Of Catchable-Size Hatchery Rainbow Trout, Salmo Gairdneri, Gerlad T. Klar
Effects Of Exercise On Serum Lactate Dehydrogenase Activity Of Catchable-Size Hatchery Rainbow Trout, Salmo Gairdneri, Gerlad T. Klar
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Effects of exercise and the relative condition of exercised fish were viii evaluated for two strains of rainbow trout. Circular tanks fitted with a paddle were used to continuously exercise the fish and a stamina tunnel was used to evaluate the condition of exercised trout. Trout were exercised continuously at one fish-length per second and one-half fish length per second. Serum LDH activity in Shephard-of-the-Hills (Missouri) rainbow trout acclimated to 10 C increased two fold during the first four days of exercise. Serum LDH activity returned to control levels by the tenth day of exercise. Serum LDH activity in Shephard-of-the-Hills …