Little auk distribution
http://datazone.birdlife.org/species/factsheet/little-auk-alle-alle/details WebLittle auks are social birds that forage in large flocks and breed in colonies. They are fast flyers being able to reach the speed of up to 70 kmph (43.5 mph); their flight is direct, …
Little auk distribution
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Web15 mei 2003 · Little auk distribution at sea. Uncircled points represent sites where no birds were seen. The size of the circles corresponds to the density of birds (no. birds km-2 ) seen in 3 km bins. f, J ... Web19 mei 2024 · Using GPS-tracked individuals, we compared foraging ecology and reproductive output of a High-Arctic zooplanktivorous seabird, the little auk Alle alle, …
WebThe Little Auk Alle alle is a small planktivorous auk breeding colonially in the High Arctic. Owing to its large population size and bi-environmental lifestyle, resulting in the large-scale... WebThe pelagic distribution of Little Auk AZZe aZZe in relation to a frontal system off central Norway, MarchIApril 1988 ARNE FOLLESTAD Follestad, A. 1990: The pelagic distribution of Little Auk Alle afle in relation to a frontal system off central Norway, March/April 1988. Polar Research 8, 23-28. Large concentrations of Little Auks were recorded off central …
WebIn this study, we investigate the non-breeding distribution of the little auk (Alle alle), a small (150 g) and abundant [> 80 million individuals (Egevang et al., 2003)] high-Arctic seabird. Initial investigations showed that during their non-breeding season, little auks concentrate within particular hotspots located in the Greenland Sea and in the north-west … WebTemporal and Spatial Distribution Patterns of Mixed-species Bird Flocks in Autumn in Three Parallel Rivers, Yunnan ... there is little research on the local spatiotemporal changes of mixed species bird flocks, especially on larger latitudes and elevation gradients. From September 13 to October ... The Auk, 2024, 137(2):doi: 10.1093/auk/ukz079
Web22 feb. 2014 · The quality of the little auk’s foraging ground is largely influenced by the distribution of warm Atlantic (T > 3 °C, salinity > 34.9 PSU) and cold Arctic (T < 0 °C, salinity: 34.3–34.8 PSU) water masses (Saloranta and Svendsen 2001) that regulate the distribution and abundance of these three Calanus species (Willis et al. 2006; Daase …
The little auk or dovekie (Alle alle) is a small auk, the only member of the genus Alle. Alle is the Sami name of the long-tailed duck; it is onomatopoeic and imitates the call of the drake duck. Linnaeus was not particularly familiar with the winter plumages of either the auk or the duck, and appears to have confused the two species. Other common names include rotch, rotche, and sea dove, although … chip in for youthWebLittle Auk Alle alle Summary Text account Data table and detailed info Distribution map Reference and further resources Family: Alcidae (Auks) Authority: (Linnaeus, 1758) Red List Category Click here for more information about the Red List categories and criteria Justification of Red List category grant proposal for diabetes educationWeb6 mrt. 2024 · In this study, we investigated the factors affecting distribution and abundance of the little auk Alle alle, a seabird considered a keystone species of the Arctic ecosystem. ... We estimated the Spitsbergen little auk breeding population at 728 529 (5–95% CI: 479 312–986 352). Spitsbergen comprises ca 1.9% ... chip-ingWebAuks are superficially similar to penguins, having black-and-white colours, upright posture, and some of their habits. Nevertheless, they are not closely related to penguins, but rather are believed to be an example of moderate convergent evolution. Auks are monomorphic (males and females are similar in appearance). grant property manchesterWeb28 mrt. 2014 · During the last decade, increasing information on little auk (Alle alle) biology, ecology and behaviour has been reported. However, only a few of these studies have focused on the breeding population in the Avanersuaq (Thule) district of Northwest Greenland, where 80 % of the global little auk population is estimated to breed. This … grant proposal for body camerasgrant programs for college studentsWeb11 apr. 2024 · In contrast, little auk survival may be affected by changes in spring sea-ice (assuming that the detected effect is not spurious). This would be coherent with previous results found in the same population suggesting that little auk survival was affected by summer environmental conditions (Hovinen et al., 2014; Descamps et al., 2024). chip in fiberglass tub