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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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common dolphin1
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 dolphin1
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
harbor porpoise1
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
facts
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
slide12
Life.
  • Born every 2 or 3 years
  • Will die if the water is below 46 degrees
  • In danger from motor boat props.
seals pinnipeds
Seals – Pinnipeds!
  • Strong molars for eating crustaceans and mollusks
  • 14 species live along North American coasts
  • Eared Seals, True Seals, and Walruses
eared seals
Eared Seals
  • Small external ears. Duh.
  • Rear Flippers can rotate forward – get along on land
  • Sea lions & Fur Seals
california sea lion1
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
steller s sea lion1
Steller’s Sea Lion
  • Lives along West Coast
  • Eats salmon but also dives deep for mollusks
  • 12 feet long, 2000 pounds
fur seal1
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
true seals
True Seals
  • Little or no hair on their bodies
  • Must drag themselves by front flippers
  • No external ears, streamlined
harp seals
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
harbor seal1
Harbor Seal
  • Smaller groups of 30-80
  • 6 feet long
  • 220 pounds
  • Most abundant seal
walrus
Walrus
  • Tusks on both males and females
  • Comes south on floating ice