Antarctica

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Antartica as nver seen before

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Antarctica

  1. 2. Map of Antarctica
  2. 3. Discovery <ul><li>1773 - Captain Cook - his wooden ship could not penetrate the ice ring. </li></ul><ul><li>1822 - James Weddell (Sealing) </li></ul><ul><li>1830 - Whalers came </li></ul><ul><li>1911 - Roald Amundsen reaches South Pole </li></ul><ul><li>1915 - Shackleton stuck in ice </li></ul><ul><li>1959 – Antarctic Treaty </li></ul>
  3. 5. Amundsen’s Discovery of South Pole
  4. 6. Roald Amundsen <ul><li>Race with Scott </li></ul><ul><li>Dogs instead of horses and motorized sleds </li></ul><ul><li>Ate dogs as supply sleds didn’t need them </li></ul><ul><li>Reached Pole on December 16, 1911 </li></ul><ul><li>Placed the flag of Norway </li></ul>
  5. 7. Robert Scott Entire expedition dies. <ul><li>Race with Amundsen </li></ul><ul><li>Took Siberian horses </li></ul><ul><li>Motorized sleds quickly broke down </li></ul><ul><li>Refused to eat dogs </li></ul><ul><li>Horses died </li></ul><ul><li>Men had to pull </li></ul><ul><li>Pole January 17, 1912 </li></ul><ul><li>All men died on return </li></ul>
  6. 8. Sir Ernest Shackleton Stuck in Ice – Lost Ship
  7. 9. Plants <ul><li>2 Flowering Plants </li></ul><ul><li>Pearlwort </li></ul><ul><li>Grass </li></ul><ul><li>Only on Antarctic Peninsula </li></ul><ul><li>There are also bacteria, molds, yeast, algae and fungi </li></ul>
  8. 10. Antarctic Birds <ul><li>Snow Petrels </li></ul><ul><li>Terns </li></ul><ul><li>Fulmars </li></ul><ul><li>Cape Pigeons </li></ul><ul><li>Skuas </li></ul><ul><li>Terns </li></ul><ul><li>Penguins </li></ul>
  9. 11. Snow Petrel <ul><li>Small as a robin </li></ul><ul><li>Dart over ocean like large mosquitoes </li></ul>
  10. 12. Skua <ul><li>Has hooked bill </li></ul><ul><li>Has sharp claws </li></ul><ul><li>Feeds only ashore </li></ul><ul><li>Eats penguin eggs </li></ul><ul><li>Eats weak penguin chicks </li></ul>
  11. 13. Albatross <ul><li>These birds roam the oceans at the bottom of the world. </li></ul>
  12. 14. Penguins <ul><li>18 species of penguins </li></ul><ul><li>4 live in Antarctica </li></ul><ul><li>Emperor </li></ul><ul><li>Adelie </li></ul><ul><li>Southern Gentoos </li></ul><ul><li>Chinstrap </li></ul>
  13. 15. Emperor <ul><li>Largest of all penguins </li></ul><ul><li>Hatch eggs during coldest winter months </li></ul><ul><li>Female lays egg in May </li></ul><ul><li>Male hatches egg for 2 months and loses 40% of body weight </li></ul><ul><li>Female takes over </li></ul>
  14. 16. Adelie <ul><li>Most numerous </li></ul><ul><li>Named after Captain d’Urville’s wife </li></ul><ul><li>Very small </li></ul>
  15. 17. Southern Gentoos <ul><li>Live on peninsula </li></ul><ul><li>2-1/2 feet tall </li></ul><ul><li>Gentle and timid </li></ul><ul><li>White connected patches above eyes </li></ul>
  16. 18. Chinstrap <ul><li>Black marking under chin from ear to ear </li></ul>
  17. 19. Whales <ul><li>Baleen </li></ul><ul><li>Toothed </li></ul>
  18. 20. Blue Whales - Baleen <ul><li>Baleen whale – strain food, mostly krill </li></ul><ul><li>Largest animal in the world </li></ul><ul><li>200,00 pounds - More than 5,700 mid-sized cars! </li></ul><ul><li>100 feet long </li></ul>
  19. 21. Humpback - Baleen <ul><li>Filters food </li></ul><ul><li>Eats mainly krill </li></ul><ul><li>Is less streamlined </li></ul><ul><li>Has long flippers </li></ul>
  20. 22. Sperm Whale - Toothed <ul><li>Uses echo sounding to find prey </li></ul><ul><li>Can dive 3,000 feet </li></ul><ul><li>Only males migrate to Antarctica </li></ul>
  21. 23. Orcas – Toothed Whales <ul><li>Resembles a dolphin </li></ul><ul><li>Largest carnivore </li></ul><ul><li>Eats seals and penguins </li></ul><ul><li>Hunt in packs </li></ul><ul><li>Will even bump icebergs to knock off penguins </li></ul>
  22. 24. Seals <ul><li>Crabeaters </li></ul><ul><li>Leopard </li></ul><ul><li>Ross </li></ul><ul><li>Weddell </li></ul><ul><li>Southern Elephant </li></ul>
  23. 25. Seals <ul><li>Live in groups called pods </li></ul><ul><li>Six species live in Antarctica </li></ul>
  24. 26. Elephant – Crabeater - Leopard <ul><li>Elephant – largest </li></ul><ul><li>Crabeaters </li></ul><ul><li>Leopard </li></ul>
  25. 27. Southern Elephant Seals <ul><li>Weigh up to 8,000 lbs. </li></ul><ul><li>Largest of the world’s seals </li></ul>
  26. 28. Southern Fur Seals <ul><li>Were nearly wiped out by seal hunters in the nineteenth century </li></ul><ul><li>Live in groups - pods </li></ul><ul><li>Have paddle like flippers or fins </li></ul><ul><li>Have a thick layer of blubber </li></ul>
  27. 29. Southern Fur Seal

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