منابع مشابه
Surveillance for West Nile Virus in American White Pelicans, Montana, USA, 2006–2007
West Nile virus (WNV)-associated deaths of American white pelican (Pelecanus erythrorhynchos) chicks have been recognized at various nesting colonies in the United States since 2002. We evaluated American white pelican nesting colonies in Sheridan County, Montana, USA, for an association between WNV-positive pelican carcasses and human West Nile neuroinvasive disease. Persons in counties hostin...
متن کاملDetection of West Nile virus in stable flies (Diptera: Muscidae) parasitizing juvenile American white pelicans.
Stable flies, Stomoxys calcitrans (L.) (Diptera: Muscidae), an economically important pest of livestock and humans, were observed parasitizing prefledged American white pelicans, Pelecanus erythrorhynchos (Pelecaniformes: Pelecanidae), in a pelican breeding colony in northeastern Montana where die-offs attributed to West Nile virus (family Flaviviridae, genus Flavivirus, WNV) have occurred sinc...
متن کاملInfluence of Climate Change on Productivity of American White Pelicans, Pelecanus erythrorhynchos
In the past decade, severe weather and West Nile virus were major causes of chick mortality at American white pelican (Pelecanus erythrorhynchos) colonies in the northern plains of North America. At one of these colonies, Chase Lake National Wildlife Refuge in North Dakota, spring arrival by pelicans has advanced approximately 16 days over a period of 44 years (1965-2008). We examined phenology...
متن کاملAdvances and Environmental Conditions of Spring Migration Phenology of American White Pelicans
Spring migration phenology of birds has advanced under warming climate. Migration timing of short-distance migrants is believed to be responsive to environmental changes primarily under exogenous control. However, understanding the ecological causes of the advancement in avian spring migration phenology is still a challenge due to the lack of long-term precise location data. We used 11 years of...
متن کاملLz Where Pelicans Kiss Seals
he story of how children learn to seems at f i rs t be a simple one: At a very early age they begin by scribbling with any available marker on any available surface. At first the children’s drawings are simple, clumsy and unrealistic; gradually they become more technically skilled and realistic. But the development of drawing is not quite so simple and straightforward. In fact, the story turns ...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1981
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay4459