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Seals

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Antarctic ice seals. Retrieved ... approx 1/2 of the entire worlds population of pinnipeds Common Characteristics Layer of blubber Diet Fish Crustaceans Krill Other ... – PowerPoint PPT presentation

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Title: Seals


1
Seals
  • R.M. and D.S.

2
Distribution and Species
  • 18 True Seals
  • 14 Eared Seals
  • The Antarctica ice seals ?approx 1/2 of the
    entire worlds population of pinnipeds

3
Common Characteristics
  • Layer of blubber
  • Diet
  • Fish
  • Crustaceans
  • Krill
  • Other seals? leopard and fur seals
  • Life cycle
  • Birthing depends on location
  • Congregate during molt, birthing, juvenile haulout

4
True Vs. Eared
  • Family Phocidae
  • Small holes to ear? not visible
  • Hind flippers shorter
  • Family Otariidae
  • Ear flaps
  • Nails on flippers

5
Threats
  • Artic seals? prey to animals and humans
  • Pollution
  • Overfishing? reduced food
  • morbilli virus infection ? harbor seals
  • Habitat
  • Fur trade

6
Fun Facts
  • Artic seals in more danger
  • North Sea seals ? illness
  • Use whiskers to search for food
  • Females can recognize their pups by smell
  • Opportunistic feeders

7
Bibliography
  • National Oceanic Atmospheric Administration,
    (n.d.). Antarctic ice seals. Retrieved Oct. 28,
    2005, from Pinnipeds Web site http//nmml.afsc.no
    aa.gov/education/pinnipeds/antarcticfs.htm
  • International Marine Mammal Association, (n.d.).
    Pinniped fact sheets. Retrieved Oct. 28, 2005,
    from Pinnipeds Web site http//www.imma.org/pinni
    peds/.
  • Seal Conservation Society, (n.d.). Species
    information pages. Retrieved Oct. 28, 2005, from
    Harbour Seal Web site http//www.pinnipeds.org/ma
    in.htm.
  • Marine Conservation Society, (n.d.). Seals.
    Retrieved Oct. 28, 2005, from Seal Web site
    http//www.mcsuk.org/marine_world/marine_world.php
    ?titleseals.
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