Technical Report Archive & Image Library (TRAIL) - 78 Matching Results

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Abundance and Distribution of Mangrove Landbirds in Florida
Summary of extensive surveys on Florida mangrove landbirds conducted during 2008-2011, with results quantifying distribution and estimating breeding-season abundance of mangrove landbirds.
A Biological Survey of North Dakota
Summary of physiography and life zones and mammals of North Dakota.
Birds of Maryland and the District of Columbia
Summary of the birds of Maryland and the District of Columbia, including geographical distribution, details on each species, and several maps of breeding ranges.
The North American Breeding Bird Survey 1966-2011: Summary Analysis and Species Accounts
Summary of 45-year program on bird population change and distribution, integrating habitat and migration status information, distribution maps depicting relative abundance, and current estimates and graphical illustrations of population change into accounts for 426 species of North American birds.
Mammals of the La Selva-Braulio Carrillo Complex, Costa Rica
Summary of 142 species of mammals of Costa Rica, including geographical distribution, subspecies, last documented sighting in Costa Rica, and origin of specimen examined for each species.
Habits, Food, and Economic Status of the Band-Tailed Pigeon
Summary of the band-tailed pigeon including natural history, geographic distribution, value as a game bird, agricultural relationships, and food habits.
Alaska-Yukon Caribou
Brief summary of the physical characteristics, general habits, breeding habits, food habits, migratory habits, and habitat of the Alaska-Yukon caribou.
Revision of the American Harvest Mice: (Genus Reithrodontomys)
Discusses history, specimens, habits, economic status, food, and pelages of American harvest mice. Lists locations and provides a key to species and subspecies, and provides species descriptions.
Natural History of the King Rail
Summary of the king rail, including history, distribution and migration, physical description, breeding biology, foods, feeding behavior, mortality factors, and status as a game bird.
Biological Survey of Texas
From introduction: "Report on the biological survey of Texas conducted over a number of years through collection of information and specimens. Focus on life zones and their subdivisions and on the mammals and reptiles of the state."
Genera and Subgenera of Voles and Lemmings
Revision of the genera and subgenera of voles and lemmings with comparison between North American and European.
A Systematic Account of the Prairie Dogs
Discusses distribution, habits, economic status, predators, nomenclature, specimens, and pelages of prairie dogs. Describes, lists locations, and provides a key for species and subspecies.
Revision of the North American Ground Squirrels: With a Classification of the North American Sciuridæ
Summary of the geographic distribution, habits and economic relations, and descriptions of the subspecies of the North American Sciuridæ.
Voles of the Genus Phenacomys
Nests, young, food, habits, and enemies of the voles of the genus Phenacomys.
[Fauna of Alaska and the Aleutian Islands]
Systematic account of the results of a survey made in 1936 and 1937 to aid supervision of the Aleutian Islands National Wildlife Refuge.
The Screech Owl, its Life History and Population Ecology in Northern Ohio
Brief summary of the screech owl in northern Ohio, including food habits, migration and dispersal, breeding biology, population dynamics, pesticides and pollution, polymorphism, status of population,
Revision of American Voles of the Genus Microtus
From introduction: "Synopsis of American voles based on a study of between 5,000 and 6,000 specimens from more than 800 localities."
The Distribution and Occurrence of the Birds of Jackson County, Oregon, and Surrounding Areas
Detailed descriptions of the species of birds of Jackson County, Oregon,
Revision of the North American Bats of the Family Vespertilionidæ
Classification of more than 3,000 bats to enable correct specimen identification based upon material contained in the collection of the Biological Survey of the U.S. Department of Agriculture.
A Biological Survey of Colorado
From introduction: "Report based chiefly on the field work prosecuted during 1905, 1906, 1907, and 1909. It is primarily a characterization of the several major distribution areas or life zones."
Revision of the American Flying Squirrels
Habits, voice, nests, breeding, food, economic status, pelage and molt, and descriptions of species and subspecies of the American flying squirrels.
Raccoons of North and Middle America
Summary of the raccoons of North and middle America, including history, habits, economic status, pelage and molt, measurements, and subgenera.
Birds of the Kilbuck and Ahklun Mountain Region, Alaska
Summary of the birds of the Kilbuck and Ahklun Mountain region, including geographical distribution, population status, migration habits, nesting habitat, and zoogeography.
The Rabbits of North America
From introduction: "Revision to include all known hares and rabbits of North America from Isthmus of Panama to north Greenland."
Seven New White-winged Doves from Mexico, Central America, and Southwestern United States
Seven new subspecies of the white-winged dove (Zenaida asiatica) are described. The patterns of these recoveries are an invaluable aid to understanding racial distribution of this species. The extent of migration that breed in Central America is not yet adequately known. The range of the doves extends as far north as the southwestern United States.
Revision of the Spiny Pocket Mice: (Genera Heteromys and Liomys)
From introduction: "Result of a study of the spiny pocket mice in the collection of the Biological Survey, now numbering nearly 1,000 specimens, supplemented by about 130 in the United States National Museum and from various sources."
Natural History of the Queen Charlotte Islands, British Columbia. Natural History of the Cook Inlet Region, Alaska
Results of 1900 expedition on Queen Charlotte Islands describing natural history.
Revision of the Skunks of the Genus Spilogale
From introduction: "Revision of skunk genus Spilogale based upon a study of about 380 skins with skulls and 75 additional skulls from the collection of the Biological Survey."
Revision of the Pocket Gophers of the Genus Thomomys
Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Synopsis of the Weasels of North America
Classification of the one ferret and 22 weasel species and subspecies, with 11 described for the first time.
Descriptions of Twenty-six New Species of North American Mammals
Brief description of new species of ground squirrels, Evotomys, Marten, Molossus, prairie dog, kangaroo rats, pocket gopher, and Hesperomys.
A Biological Investigation of the Athabaska-Mackenzie Region
From introduction: "Report of 1901 expedition of Athabaska-Mackenzie region to obtain representative collections of the mammals, birds, and plants."
Revision of the American Chipmunks: (Genera Tamias and Eutamias)
Brief summary of the geographic distribution, life history, and subgenera of genera Tamias and Eutamias.
The Trumpeter Swan: its History, Habits, and Population in the United States
Summary of the trumpeter swan, including geographic distribution, habitats for breeding and wintering, life cycle, nesting, food, limiting factors, longevity, population dynamics, and human management.
Mammals of New Mexico
Summary of the species of mammals native to New Mexico, including a map of the life zones, descriptions of the physiographic features, and lists of characteristic zone-marking plants, birds, mammals.
Attwater's Prairie Chicken, its Life History and Management
Summary of the Attwater's prairie chicken, including differences versus other prairie chickens, habits, habitat, limiting factors, management, and threat of extinction due to exploitation by man.
Revision of the Skunks of the Genus Chincha
From introduction: "Classification changes to skunks of genus Chincha in order to clear up confusion resulting from previous attempts at classification."
Natural History of the Swainson's Warbler
Summary of Swainson's warbler, including history, geographic distribution, migration patterns, ecological relations, physical description, breeding biology, voice qualities, and feeding behavior.
Descriptions of Fourteen New Species and One New Genus of North American Mammals
Brief summary of new species identified, including grasshopper mice, marmot, pika, Spermophile, ground squirrel, bat, and Arvicolinæ.
The Rice Rats of North America (Genus Oryzomys)
Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies.
The Pocket Gophers (Genus Thomomys) of Arizona
Distributional study of the pocket gophers of Arizona, including economic status and species and subspecies.
Results of a Biological Survey of Mount Shasta California
From introduction: "Biological survey of northern California from the Madeline Plains to the Pacific Ocean and from the Oregon boundary to Lassen Butte and parts of the Sierra, with Mount Shasta occupying a nearly central position."
The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah, Part 2
Collection of reports on Death Valley, the bordering region of California, Nevada, Arizona, and Utah. Reports include birds, reptiles and Batrachians, fishes, insects, mollusks, trees and shrubs, cactuses and yuccas, and list of localities in the reports.
Ecology and Biology of the Pacific Walrus, Odobenus Rosmarus Divergens Illiger
Pacific walrus is summarized, including distribution and migrations by month, general morphology and growth, skin and hair, dentition, food and feeding behavior, reproduction, morbidity and mortality, and population.
A Systematic Synopsis of the Muskrats
From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Ecology of the Cooper's Hawk in North Florida
Summary of two study areas of the Cooper's Hawk in north Florida, including diet, foraging, home range, and predation.
A Biological Survey of the Pribilof, Alaska
Brief summary of the geographic distribution, habits, and habitats of the birds, mammals, insects, arachnids, and chilopods of the Pribilof Islands.
Mammals of Maryland
Overview of the mammals of Maryland, including descriptions of the orders and maps depicting distribution of the mammals.
A Biological Investigation of the Hudson Bay Region
Results of 1900 biological expedition to document the Hudson Bay. Examination of species of plants and animals.
A Biological Reconnaissance of the Base of the Alaska Peninsula
General account with outline of route and life zones, and lists of mammals and birds.
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