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Bernard DUPONT   cc-by-sa-2.0

Anser anser (Greylag Goose) is a species of birds in the family Anatidae. They are associated with freshwater habitat. They are native to Tajikistan, Mongolia, Turkey, Moldova, Kyrgyzstan, Sri Lanka, Czech Republic, Thailand, Greece, France, Croatia, Morocco, Romania, Luxembourg, Iran, Bahrain, Bangladesh, Albania, Malta, Israel, Spain, Armenia, Turkmenistan, Bhutan, Norway, Uzbekistan, Ukraine, Egypt, Saudi Arabia, Slovakia, Argentina, Lithuania, Cyprus, The Netherlands, Laos, Kuwait, China, Liechtenstein, Finland, Belgium, Bulgaria, Bosnia & Herzegovina, India, Austria, Hungary, the Palearctic, Iceland, Iraq, Pakistan, Kazakhstan, Svalbard And Jan Mayen, Serbia And Montenegro, Jordan, Estonia, Nepal, Vietnam, Oman, Germany, United Kingdom, Japan, Ireland, Tunisia, Afghanistan, Poland, Gibraltar, Syria, Denmark, Faroe Islands, Myanmar, Libya, Russia, Switzerland, Montenegro, Macedonia, Belarus, Latvia, Azerbaijan, Hong Kong, Portugal, Slovenia, Italy, Algeria, Greenland, Sweden, and South Korea. They are diurnal herbivores. They have parental care (female provides care, paternal care, and occasionally breeds cooperatively). They rely on flight and drag powered 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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EOL has data for 52 attributes, including:

Known occurrences, collected specimens and observations of Greylag Goose. View this species on GBIF