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The Canvasback Duck: Graceful Swimmer of San Pablo Bay

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Discover the fascinating life cycle, behavior, and habitat of the Canvasback duck (Aythya valisineria) in San Pablo Bay. Learn about its predators, ecosystem interactions, and interesting facts.

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The Canvasback Duck: Graceful Swimmer of San Pablo Bay

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  1. RamyaLakkaraju Biology Period 5 The Canvasback San pablo bay

  2. CanvasBACK (AythyaValisineria) • Kingdom: Animalia • Phylum: Chordata • Class: Aves • Order: Anseriformes • Family: Anatidae • Subfamily: Aythyinae • Genus: Aythya • Species: A. valisineria • Source: http://en.wikipedia.org/wiki/Canvasback

  3. Natural Habitat • The canvasbacks live in lakes and rivers. • Nesting canvasbacks mostly live in Canada. • The Great Plains of North America are the breeding area for canvasbacks. • During winter, canvasbacks migrate south to places like San Pablo Bay.

  4. Life Cycle and Behavior • Behavior • Powerful swimmer • Runs on water to take off into the air • Makes noise only during breeding • Pairs form in the Bay before breeding in a different area • Moves awkwardly on land • Graceful in water Life cycle Breeding starts in spring Lifespan around 15 years Eats grasses, clams, snails, and larvae Predators include: • Bald eagle • Turtle • Gulls • Humans!

  5. Living and nonliving aspects of ecosystem • Grasslands provide a safe environment for nesting • Canvasbacks feed on the snails and other animals in the area • The water in San Pablo Bay is a mixture of salt water and freshwater

  6. Did you know? • The canvasback is the largest species of ducks that dive for food. • The favorite food of the canvasback, wild celery, is a part of its scientific name.

  7. references • Picture on Slide 1: http://www.fws.gov/refuge/San_Pablo_Bay/Canvasback.html • Picture on Slide 2: http://ncpedia.org/wildlife/canvasback-duck • Picture on Slide 6: http://terra-marin.com/images/canvasback1.gif • Information on Slide 3: http://www.dnr.state.mn.us/birds/canvasback.html • Information on Slide 4 and 5: http://www.chesapeakebay.net/fieldguide/critter/canvasback • Picture on Slide 5: http://www.poulosstudios.com/Canvasbacks.htm • Picture on Slide 6: http://en.wikipedia.org/wiki/File:Canvasaback_(Aythya_valisineria)_RWD2.jpg • Information on Slide 6: http://www.chesapeakebay.net/fieldguide/critter/canvasback • Picture on Slide 7: http://www.ducks.org/hunting/waterfowl-id/canvasback

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