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Weddell Seal

Weddell Seal. Leptonychotes weddellii. By: C.D. and M.B. Physical Characteristics. Up to 10 ft /3 m long Up to 1000 lb / 453 kg Females larger than males (sexual dimorphism ) Short dense grey fur. Vibrissae that enhance sense of touch Diving 73 min. 600m/2000ft deep.

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Weddell Seal

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  1. Weddell Seal Leptonychotes weddellii By: C.D. and M.B.

  2. Physical Characteristics • Up to 10 ft /3 m long • Up to 1000 lb / 453 kg • Females larger than males (sexual dimorphism) • Short dense grey fur • Vibrissae that enhancesense of touch • Diving 73 min. 600m/2000ft deep

  3. Location and Population • 800,000 individuals • Antarctica • South Georgia, Shetland, Sandwhich, Orkney Islands • New Zealand • Australia

  4. Annual Life Cycle • Sept. – Nov. Peak pupping period • Lactation period lasts 50 days • Pups moult at 6 weeks old • Nov. – Dec. Females and males mate • Dec. – March Molting period

  5. Breeding • Stable fast ice or shore ice • Usually one pup at a time • Males defend underwater territories • Stay close toprevious breedingcolonies • Mating takes place underwater

  6. Diet • Krill • Fish – mainly Atlantic Cod • Cephalopods – squid and octopi Major Threats • Killer Whales • Leapard Seals

  7. Bibliography • "Weddell Seal Foraging Behavior." Weddell Seal Research. 01 Nov. 2005 <http://www.tamug.tamu.edu/labb/Projects/Weddell/McM2001/WeddellWork/Weddell_Work.htm>. • Weddell seal. (n.d.). Retrieved Nov. 01, 2005, from Pagophilus Web site: www.pagophilus.org/ weddell.html>. . • "Weddell Seal." Weddell Seal Marine Mammals. 01 Nov. 2005 <http://www.dosits.org/gallery/marinemm/20.htm>. • "Weddell Seal ." Discovery of Sound in the Sea. 01 Nov. 2005 <http://marinebio.org/species.asp?id=331>. • "Weddell Seal." Seal Conservation Society. 01 Nov. 2005 <http://www.pinnipeds.org/species/weddell.htm>. • Van den Hoff, John. "Weddell Seals." Australian Antarctic Division. 01 Nov. 2005 <>. • "Weddell Seals." Adaptations of Diving Mammals . 01 Nov. 2005 <http://www.cdli.ca/~dpower/resp/adapt~1.htm>.

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