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The Other Dolphins

The Other Dolphins. Fatal Attraction. Common Dolphin. Common Dolphin. Found on both US Coasts 8 feet long, 180 pounds Fish of any type Will swim with boats Large herds Born every 2 or 3 years. Bottle Nosed Dolphin. Bottle Nosed Dolphin. Separate Species for East & West Coast!

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The Other Dolphins

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  1. The Other Dolphins

  2. Fatal Attraction

  3. Common Dolphin

  4. Common Dolphin • Found on both US Coasts • 8 feet long, 180 pounds • Fish of any type • Will swim with boats • Large herds • Born every 2 or 3 years

  5. Bottle Nosed Dolphin

  6. Bottle Nosed Dolphin • Separate Species for East & West Coast! • Easily trained, this is the SeaWorld dolphin • 9-12 feet long • Born every year • Will be 16 months old before being weaned • Have been known to float dolphins so they can breathe

  7. Harbor Porpoise

  8. Harbor Porpoise • Different mouth shape than dolphins • Born in late spring or early summer • Can make babies when only 15 months old • Fish. Fish. Fish. • All North American Coasts

  9. Manatee!

  10. Facts. • Manatees are the only primary consumer we have talked about today. This means they eat plants, yo. • Related to the Stellar’s Sea Cow. Darn Russians killed it in the 1700’s… • Lives in Florida. The End! • One flat tail instead of limbs • 15 feet long, 1,500 pounds

  11. Life. • Born every 2 or 3 years • Will die if the water is below 46 degrees • In danger from motor boat props.

  12. Seals – Pinnipeds! • Strong molars for eating crustaceans and mollusks • 14 species live along North American coasts • Eared Seals, True Seals, and Walruses

  13. Eared Seals • Small external ears. Duh. • Rear Flippers can rotate forward – get along on land • Sea lions & Fur Seals

  14. California Sea Lion

  15. California Sea Lion • Smart, SeaWorld Sea Lion • Cows give birth to a calf every year, starting at age 3 • Bulls have harems they control • Eat crustaceans & mollusks, but are also eaten

  16. Steller’s Sea Lion

  17. Steller’s Sea Lion • Lives along West Coast • Eats salmon but also dives deep for mollusks • 12 feet long, 2000 pounds

  18. Fur Seal

  19. Fur Seal • Migratory! • Bering Sea to Cali • to Japan! • Bulls must guard harems VERY closely • Mate in summer • Males won’t even leave to eat! • By fall, exhausted

  20. True Seals • Little or no hair on their bodies • Must drag themselves by front flippers • No external ears, streamlined

  21. Harp Seals • Killed when they are just a few days old • Yeah, they are clubbed. • Only nursed for 2 or 3 weeks • Live for a week

  22. Harbor Seal

  23. Harbor Seal • Smaller groups of 30-80 • 6 feet long • 220 pounds • Most abundant seal

  24. Walrus • Tusks on both males and females • Comes south on floating ice

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