Migration of the Yellow-Billed Loon
نویسندگان
چکیده
منابع مشابه
Project Loon
In recent years, access to the Internet has become increasingly important for individuals’ and communities’ economic productivity, as well as improved access to goods and services, education, government services and more. Some in the developed world, including First Lady Michelle Obama [1], have even begun to refer to Internet connectivity as a universal right. In reality, however, Internet acc...
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—The Yellow-billed Loon (Gavia adamsii) is one of the rarest breeding birds in North America. Because of the small population size and patchy distribution, any stressor to its population is of concern. To determine risks posed by environmental mercury (Hg) loads, we captured 115 Yellow-billed Loons between 2002 and 2012 in the North American Arctic and sampled their blood and/or feather tissues...
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To evaluate the current status of the western population of the Yellow-billed Cuckoo (Coccyzus americanus) along the Sacramento and Feather rivers in California's Sacramento Valley, we conducted extensive call playback surveys in 2012 and 2013. We also quantified the amount and distribution of potential habitat. Our survey transects were randomly located and spatially balanced to sample represe...
متن کاملMigration, mitochondria, and the yellow-rumped warbler.
Discordance between mitochondrial and nuclear DNA has been noted in many systems. Asymmetric introgression of mitochondria is a common cause of such discordances, although in most cases the drivers of introgression are unknown. In the yellow-rumped warbler, evidence suggests that mtDNA from the eastern, myrtle warbler, has introgressed across much of the range of the western form, the Audubon's...
متن کامل106-111-Van Loon
Background: Postexercise muscle glycogen synthesis is an important factor in determining the time needed to recover from prolonged exercise. Objective: This study investigated whether an increase in carbohydrate intake, ingestion of a mixture of protein hydrolysate and amino acids in combination with carbohydrate, or both results in higher postexercise muscle glycogen synthesis rates than does ...
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ژورنال
عنوان ژورنال: The Auk
سال: 1916
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4072632