Goldeneye Duck
نویسندگان
چکیده
منابع مشابه
Duration and Phenology of Remigial Molt of Barrow's Goldeneye
We quantified the duration and phenology of remigial molt of Barrow’s Goldeneyes (Bucephala islandica) in northwestern Alberta, Canada. We estimated that the remiges’ average (± SE) growth rate was 3.94 ± 0.13 mm day–1, slightly slower than that of most waterfowl. Barrow’s Goldeneyes regained flight with the ninth primary 77% grown, a percentage similar to or greater than that of most waterfowl...
متن کاملCooperation, conflict, and crèching behavior in goldeneye ducks.
Crèching behavior, or brood amalgamation, results in offspring being reared by adults other than their genetic parents. Although a variety of hypotheses have been proposed to explain this behavior, most assume either that brood amalgamation is accidental (i.e., nonselected) or that adoption of young is selected for because of social benefits to the young and/or adopting parents. We propose, ins...
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A critical challenge when combating malware threat is how to efficiently and effectively identify the targeted victim’s environment, given an unknown malware sample. Unfortunately, existing malware analysis techniques either use a limited, fixed set of analysis environments (not effective) or employ expensive, time-consuming multi-path exploration (not efficient), making them not well-suited to...
متن کاملTracing Nutrient Allocation to Reproduction in Barrow’s Goldeneye
Naturally occurring stable isotopes in foodwebs can be used to determine the relative contributions of endogenous and exogenous nutrients to avian eggs in cases where birds move between isotopically distinct biomes or habitats to breed. We measured δ13C and δ15N values in somatic muscle tissues and eggs of Barrow’s goldeneye (Bucephala islandica) together with those isotope values in amphipods ...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1954
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay1667