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We all recognize the California Quail, with its striking good looks and mellow call notes. Widely distributed along the whole Pacific Coast, it has long been of interest to bird-lovers, sportsmen, ranchers, and wildlife biologists. In early times it was an important food source, and stocks were rapidly depleted by market hunters. Today its populations are being restored through the efforts of both private land-owners and government agencies. This comprehensive report summarizes what is known about the history, biology, and management of the species. It recounts the impact of settlement on quail, it describes the quail's intriguing social life, covey relationships, nesting behavior, and habitat requirements. Males, for example, play an important role in chick-rearing; chemical compounds in food substantially influence the nesting success of females. A major part of this book tells how to provide proper over, food, and drinking water that are needed to increase quail populations, whether for hunting or for observation and enjoyment. The suggestions offered stem from decades of scientific research and practical management effort. Written by a renowned wildlife biologist who worked on the quail for many years, this volume will be the definitive work from both the natural history and game management points of view. It is copiously illustrated with photographs and drawings, and will be of use to anyone who wishes to understand and foster the state bird.
Birds. --- biology. --- bird lovers. --- bird management. --- bird species. --- bird watching. --- birders. --- california quail. --- california state bird. --- comprehensive guide. --- food birds. --- game management. --- illustrated. --- life sciences. --- natural history. --- natural science. --- nesting behavior. --- ornithology. --- pacific coast. --- photographs. --- quail coveys. --- quail history. --- quail hunters. --- quail populations. --- quail social behavior. --- regional birds. --- species management. --- sportsmen. --- wild game. --- wildlife biologists. --- zoology.
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Adrenocortical. --- Chicken. --- Coping strategies. --- Coping strategy. --- Coping. --- Quail. --- Selection. --- Strategies. --- Strategy.
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Ce travail a évalué l’expression de marqueurs de la microglie et de cytokines dans le cerveau de cailles mâles et femelles au cours du développement ainsi que l’influence des œstrogènes sur ces mesures. L'objectif du projet était de comprendre le rôle de la microglie dans la différenciation sexuelle du cerveau. Pour cela, des RT-PCR sont réalisés sur des échantillons de cerveaux de caille.
Brain sexual differentiation --- Microglia --- Sex steroid hormones --- Quail --- Microglie --- Différenciation sexuelle du cerveau --- Inflammation --- Sciences de la santé humaine > Neurologie
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Gerbils learned to approach a spatial-olfactory stimulus that signaled access to their pairmate. Experiments 1 and 3 used a discrimination procedure in which 1 conditioned stimulus (the CS+) was presented immediately before access to the pairmate and another (the CS-) was presented alone. Both male and female gerbils came to approach the CS+ sooner than the CS- and spent more time near the CS+ than the CS-. Discrimination learning was facilitated by making the CS+ and CS- spatially distinct (Experiment 3). Learning also was demonstrated in male gerbils, using a between-subjects design with a single CS. Pairing the CS with the opportunity for social interact ion resulted in greater approach to the CS within 10 trials than presenting the CS and social opportunity in an unpaired fashion (Experiment 2). These findings demonstrate social-affiliative learning in the Mongolian gerbil. Similarities and differences between these findings and sexual conditioning effects in other species are discussed
Access. --- Attractant. --- Behavior. --- Conditioning. --- Copulatory-behavior. --- Cs. --- Design. --- Discrimination. --- Experiment. --- Experiments. --- Female mice. --- Female. --- Gerbil. --- Gerbils. --- Learning. --- Male-rats. --- Male. --- Meriones unguiculatus. --- Meriones-unguiculatus. --- Mongolian gerbil. --- Mongolian-gerbil. --- Odors. --- Quail coturnix-japonica. --- Responses. --- Secretion. --- Sexual experience. --- Sexual. --- Social. --- Stimulus. --- Time. --- Unguiculatus.
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An up-to-date field guide to the birds of Puerto Rico and the Virgin IslandsThis portable and informative field guide describes the bird species found on Puerto Rico and the Virgin Islands. Fully updated, the guide presents all 347 species, both naturally occurring as well as introduced, and highlights 19 endemic species found nowhere else in the world. Species are sorted by habitat to facilitate identification and extra illustrations are provided for birds similar in appearance. Facing pages conveniently juxtapose species accounts, distribution maps, and illustrations, and a section on birding hotspots pinpoints the best locations for finding specific birds. Birds of Puerto Rico and the Virgin Islands will be indispensable for birders and nature enthusiasts.The only fully illustrated guide to feature all 347 bird species in Puerto Rico and the Virgin IslandsSpecies sorted by habitat for easier identificationText and illustrations on facing pages for ease of identificationExtensive introduction covering taxonomy, migration, biogeography, and conservationUseful information on birding hotspots throughout the region
Birds --- Birds --- Virgin Islands --- Adelaide's warbler. --- African grey parrot. --- American flamingo. --- American kestrel. --- Anegada. --- Antillean crested hummingbird. --- Antillean nighthawk. --- Baltimore oriole. --- Bananaquit. --- Bird egg. --- Bird migration. --- Bird. --- Birds of the West Indies. --- Black-necked stilt. --- Blackpoll warbler. --- Bridled quail-dove. --- British Virgin Islands. --- Brown pelican. --- California quail. --- Caribbean Sea. --- Caribbean elaenia. --- Caribbean. --- Cattle egret. --- Cockatiel (aviculture). --- Columbidae. --- Common gallinule. --- Domestic canary. --- Egret. --- Elfin woods warbler. --- Endemism. --- Fauna of Puerto Rico. --- Frigatebird. --- Golden-winged warbler. --- Gray kingbird. --- Great blue heron. --- Grebe. --- Gull. --- Hispaniola. --- Hispaniolan parakeet. --- Indian peafowl. --- Islet. --- Jost Van Dyke. --- Key West quail-dove. --- Kingbird. --- Lesser Antillean bullfinch. --- Lesser Antilles. --- Loggerhead kingbird. --- Macaw. --- Mangrove cuckoo. --- Mangrove. --- Manx shearwater. --- Muscovy duck. --- Necker Island (British Virgin Islands). --- Nightjar. --- Northern bobwhite. --- Northern mockingbird. --- Ovenbird (family). --- Oystercatcher. --- Parakeet. --- Plumage. --- Prothonotary warbler. --- Puerto Rican bullfinch. --- Puerto Rican lizard cuckoo. --- Puerto Rican nightjar. --- Puerto Rican oriole. --- Puerto Rican spindalis. --- Puerto Rican tanager. --- Quail-dove. --- Roseate tern. --- Rosy-faced lovebird. --- Royal tern. --- Ruddy duck. --- Sandpiper. --- Seabird. --- Sharp-shinned hawk. --- Short-eared owl. --- Songbird. --- South America. --- Spotted dove. --- Spotted sandpiper. --- Swallow-tailed kite. --- Tern. --- Thicket. --- Thrush (bird). --- Tortola. --- Tropicbird. --- United States Virgin Islands. --- Venezuelan troupial. --- Vieques, Puerto Rico. --- Virgin Islands National Park. --- Wader. --- Warbler. --- Waterfowl. --- West Indian whistling duck. --- Wetland. --- White cockatoo. --- White-necked crow. --- White-winged dove. --- Yellow-billed cuckoo. --- Zenaida dove.
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