Little auk distribution

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August undefined, 2024

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... 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

Auk - Description, Habitat, Image, Diet, and Interesting Facts

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 … Web6 mrt. 2024 · We estimated the Spitsbergen little auk breeding population at 728 529 (5-95% CI: 479 312-986 352). Spitsbergen comprises ca 1.9% (95% CI: 1.2%-2.7%) of the world breeding population and... iron tris acetylacetonate

Flexibility of little auks foraging in various oceanographic features ...

Web17 sep. 2024 · The Little auk is amongst the first migratory birds to return to their breeding sites in the high Arctic, where they arrive as early as April or early May. They leave in … WebAn auk or alcid is a bird of the family Alcidae in the order Charadriiformes. The alcid family includes the murres, guillemots, auklets, puffins, and murrelets. The family contains 25 … 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 … port stephens cremations

Arctic climate change and pollution impact little auk foraging and ...

Little Auk Facts, pictures & more about Little Auk

WebAuks 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). Web11 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). iron trout quick in cooler bagWebLittle auks are the smallest species of auk seabirds, reaching a maximum length of 7.8 inches (20 cm) and weight of 0.7 ounces (20 g). 2. Little auks can be found on … port stephens council zoning maps

"http://datazone.birdlife.org/species/factsheet/22694837 " - Little auk distribution

Little auk distribution

http://datazone.birdlife.org/species/factsheet/little-auk-alle-alle/details WebDistrict include distribution maps (e.g. Roby et al. 1981). These are, however, not adequate for future en-vironmental impact assessments or oilspill contingency planning. This paper describes an up-to-date mapping of the little auk colonies in Thule District and remarks on the conservational status, as well as the threats to the population.

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WebFor instance, in the North Atlantic, little auk wintering distribution expands and contracts with the distribution of their subarctic copepod prey, which is shifting northward … 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 …

Webspring distribution of Little Auks off central Nor- way will require more detailed studies of their diet seasonally and the distribution of their prey. Densities of 1,000-1,500 Little … Webthe little auk colonies. We also tested the nesting preferences for geographical features such as aspect, slope angle, altitude, solar radiation, rock type, and distance to foraging grounds. Our findings indicate that the occurrence of little auk breeding colonies is non-random and highly attributed to environmental factors.

WebThe little auk is a small seabird, of similar size to a starling. It is black above and white below, and in flight it shows dark underwings. It has a black stubby bill, and a short neck and tail. It flies with very fast whirring … 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, …

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iron trust pineroloThe 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 … port stephens crematoriumWebThis would be a good safe site to use if auk tracking or ringing, including training, is needed. Activities would cause very little disturbance*. No obvious reason to restrict activities. Proceed following BTO guidelines, including PPE. Kittiwake colony at Whinnyfold. Reward: Medium and could be increased. Risk: Low. Damage of delay: Medium iron truage casque helmetWebThe Little Auk is protected under the European Birds Directive and the Nature Conservation Act. No Natura 2000 areas have been designated in the Netherlands for this species. … port stephens crashWebLittle 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, … iron tribune gw2Web7 mrt. 2024 · While it is well described in the literature how marine mammals are the cornerstone of human life around the North Water (NOW) polynya (Born 1987), it is less recognized that a small seabird, the little auk (Alle alle), also has profound influence on human life and the ecosystem in the region (Gonzales-Bergonzoni et al. 2024).In this … port stephens crimeWeb7 Lovely Little Auk Facts. 1. The sheer numbers of Little Auks can have a major impact on the areas around their breeding grounds since they transport marine-based nutrient onto land where it is left as guano. 2. Little Auk chicks grow faster than those of any other species of Auk. 3. Little Auks are the most populous form of bird in Svalbard. 4. port stephens crystal