dcsimg
Chris Cheatle   cc-by-nc-4.0

Clangula hyemalis (Long Tailed Duck) is a species of birds in the family Anatidae. They are listed as vulnerable by IUCN. They are associated with freshwater habitat. They are native to The Nearctic, the Palearctic, Pacific Ocean, Atlantic Ocean, Arctic Ocean, and Asia. They are diurnal carnivores. Individuals can grow to 79 cm. They have parental care (paternal care and female provides care). They rely on flight, drag powered swimming, gliding, and swimming to move around.

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  • URI: https://eol.org/schema/terms/drag_based_swimming
  • Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.
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  • URI: http://purl.obolibrary.org/obo/NBO_0000369
  • Definition: Behavior related to the expansion lateral surface of the body with the intention of increasing the wind resistance against the body and hence reducing the speed of falling.
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EOL has data for 52 attributes, including:

Known occurrences, collected specimens and observations of Long-tailed duck. View this species on GBIF