Crabeater Seals - PowerPoint PPT Presentation

1 / 7
About This Presentation
Title:

Crabeater Seals

Description:

Killer Whales. Humans. Bibliography. Southwell, C. (n.d.). Crabeater seal. Retrieved Oct. 28, 2005, from Australian Antartic Division Web site: http://www. ... – PowerPoint PPT presentation

Number of Views:109
Avg rating:3.0/5.0
Slides: 8
Provided by: Seb121
Category:

less

Transcript and Presenter's Notes

Title: Crabeater Seals


1
Crabeater Seals
  • N.R.
  • S.K.

2
Appearance
  • 3 meters (9 feet)
  • 250 kilos (550 lbs)
  • Annual paling
  • Sexually dimorphic
  • Tubercles in teeth

3
Population Distribution
  • Approximately 15 million
  • Growing
  • Circumpolar islands
  • Pack ice
  • Southern coasts

4
Annual Life Cycle
  • Settle on pack ice September
  • Form triads
  • Male protects family
  • Give birth

5
Annual Life Cycle
  • Wean
  • Breed
  • Separate
  • Moult

6
Major Threats
  • Leopard Seals
  • Killer Whales
  • Humans

7
Bibliography
  • Southwell, C. (n.d.). Crabeater seal. Retrieved
    Oct. 28, 2005, from Australian Antartic Division
    Web site http//www.aad.gov.au/default.asp?casid
    1699.
  • eeves, R. R. (n.d.). Species composition
    crabeater seal. Retrieved Oct. 28, 2005, from
    http//polarmet.mps.ohio-state.edu/ASPIRE_99/seals
    /science/crab.htm.
  • Thurlow, J. (n.d.). Retrieved Oct. 30, 2005, from
    Antartic Connection Web site http//www.antarctic
    connection.com/antarctic/wildlife/seals/crabeater.
    shtml.
  • Bryden, M. (n.d.). Retrieved Oct. 30, 2005, from
    Crabeater Seal (Lombodon Carcinophagus) Web site
    http//www.pinnipeds.org/species/crabeatr.htm.
  • Tompson, M. (n.d.). Retrieved Oct. 30, 2005, from
    Antartica Crabetar seals Web site
    http//www.cybamuse.com/antarctica/crabeater.htm.
Write a Comment
User Comments (0)
About PowerShow.com