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THE Southern Elephant Seal

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Size: Males up to 20 ft (5m), females up to 10 ft (3m) ... Killer whales Sharks. Human disasters. fishing nets. Oil spill. Bibliography ... – PowerPoint PPT presentation

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Title: THE Southern Elephant Seal


1
THE Southern Elephant Seal
  • Origin trunk and size
  • Scientific name Mirounga leonina
  • Found by Linnaeus in 1758
  • Named by Lydekker in 1909

2
Physical Characteristics
  • Size Males up to 20 ft (5m), females up to 10 ft
    (3m)
  • Weight Males up to 4 T (8818 lb), females up to
    1 T (2204 lb)
  • Description
  • Sexual Dimorphism

3
Life cycle
  • Maturity Males at 9-10 years
  • Females at 3-5
  • Molting
  • Gestation lasts 11.3 months
  • Longevity

4
Breeding
  • Breeding behaviour
  • Breeding time
  • Weaning time

5
Distribution
  • South Georgia
  • Kerguelen and Heard
  • Macquarie Islands
  • Beaches and grasslands
  • Total Population 700,000

6
Feeding
  • Squid
  • Fish
  • Small sharks
  • Shrimp
  • octopus

7
Major Threats
  • Exploited until 1964
  • Killer whales Sharks
  • Human disasters
  • fishing nets
  • Oil spill

8
Bibliography
  • http//www.elephantseal.org/
  • http//www.nature.ca/notebooks/english/eleseal.htm
  • http//ourworld.compuserve.com/homepages/jaap/elep
    seal.htm
  • National Marine Sactuary http//bonita.mbnms.nos.n
    oaa.gov/educate/newsletters/2001winternewsletter/s
    ealviewing.html
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