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Diving Ducks

Diving Ducks. By Carissa & Paige. Characteristics of Diving Ducks. L egs closer to rear of body Dive up to 40' in depth F eed in deeper water L ess colorful T ake flight by using their feet. The Ruddy Duck ( Oxyura jamaicensi ).

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Diving Ducks

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  1. Diving Ducks By Carissa & Paige

  2. Characteristics of Diving Ducks Legs closer to rear of body Dive up to 40' in depth Feed in deeper water Less colorful Take flight by using their feet

  3. The Ruddy Duck (Oxyurajamaicensi) When alarmed, ruddy ducks dive underwater rather than flying away Holds tail stiffly erect Chunky body Stubby wings

  4. Ruddy Duck Hen Even though they are small, ruddy ducks lay some of the largest eggs of any duck in the world Bill is identical Pondweeds, algae, seeds of sedges and grasses, aquatic insects shellfish and crustaceans Grayish-brown with a single horizontal stripe

  5. Ruddy Duck Drake Rusty-brown back, rump, neck, chest, and sides Blue beak Show breeding colors in the spring Travel at night

  6. Two years of age Eight eggs Construct nests in cattail Feed on invertebrates Juvenile Ruddy Duck

  7. Canvasback (Aythyavalisineria) One of the largest ducks Uses bill to dig in a lake or river bottom for food Base and roots of plants, mollusks and insects

  8. Canvasback Drake Males: 21“ and 2.7 lbs. Rust colored head and neck with red eyes Breast and rear are black Back and sides grayish-white Several males usually court one female

  9. Canvasback Hen Females: 20“ and 2.5 lbs. Mottled gray with a brown head, neck and rump Belly is white and eyes are brown Pairing begins late winter or during migration in early spring

  10. Juvenile Canvasback Begin nest building mid-May Basket and is made of dead vegetation, dried reeds and lined with down One brood per year Seven to twelve eggs

  11. Redhead (Aythyaamericana) Small fish, mollusks, pondweeds, wild celery, and water lilies Most common breeders in the United States Medium sized duck

  12. Redhead Drake 20“ and 2.4 lbs. Bright red head, black neck, a gray back and a white belly Bill is light blue-gray with a whitish band behind a relatively wide black tip Resembles the "meow" of a cat

  13. 19“ and 2.51lbs. Uniformly brown in color Bill is duller than the male's, but similar in pattern The legs and feet are gray Redhead Hen

  14. Juvenile Redhead Ten to fourteen eggs Uses grasses and other plants to build a nest Form pairs in April

  15. Greater Scaup(Aythyamarila) Greater and Lesser Scaup are often found together Relatively silent

  16. Greater Scaup Hen 17" and 2.15 lbs. Brown with white oval patches around their bills Bill is similar to males Eyes are yellow Harsh, gruff notes

  17. Greater Scaup Drake 18.6" and 2.32 lbs. Glossy black head tinted green Neck, breast and upper mantle are glossy black, and belly is white Wing has a broad white stripe Bill is a light blue-gray with a black nail

  18. Juvenile Greater Scaup Average of nine eggs Three-quarters of the North American population breeds in Alaska Nest on islands in large lakes

  19. Works Cited • Bellrose, F.C. 1976. Ducks, geese and swans of North America, 2nd edition. Stackpole Books, Pennsylvania. • Hochbaum, H.A. 1944. The Canvasback on a Prairie Marsh. University of Nebraska Press. • Mowbray, T.B. 2002. Canvasback (Aythyavalisineria). In The Birds of North America, No. 659 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA. • Brua, R. 1999. Ruddy Duck Nesting Success: Do Nest Characteristics Deter Nest Predation?. The Condor, 101/4: 867-870. Accessed October 19, 2007 at http://links.jstor.org/sici?sici=0010-5422%28199911%29101%3A4%3C867%3ARDNSDN%3E2.0.CO%3B2-R . • Gooders, J., T. Boyer. 1986. Ducks of North America and the Northern Hemisphere. New York: Facts On File, Inc.. • Hohman, W., C. Ankney, D. Roster. 1992. Body Condition, Food Habits, and Molt Status of Late-Wintering Ruddy Ducks in California. The Southwestern Naturalist, 37(3): 268-273.

  20. Works Cited Continued • Jehl, J., E. Johnson. 2004. Wing and Tail Molts of the Ruddy Duck. Waterbirds, 27(1): 54-59. • Joyner, D. 1977. Behavior of Ruddy Duck Broods in Utah. The Auk, 94: 343-349. • Korschgen, C., L. George, W. Green. 1985. Disturbance of Diving Ducks by Boaters on a Migrational Staging Area. Wildlife Society Bulletin, 13(3): 290-296. • Kortright, F. 1967. The Ducks, Geese, and Swans of North American. Harrisburg, Pennsylvania: The Stackpole Company. • Matthias, D. 1963. Helminths of Some Waterfowl from Western Nevada and Northeastern California. The Journal of Parasitology, 49/1: 155. • Munoz-Fuentes, V., A. Green, M. Sorenson, J. Negro. 2006. The ruddy duck Oxyurajamaicensis in Europe: natural colonization or human introduction?. Molecular Ecology, 15: 1441-1453.

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