PINNIPEDS: SEALS AND SEA LIONS

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PINNIPEDS SEALS AND SEA LIONS

• By
• CHRIS TOLERCHRISTI BROWNBETH GAMBILL

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GOALS

• TO RESEARCH ANATOMICAL DIFFERENCES BETWEEN THE
  SEALS AND THE SEA LIONS
• TO OBSERVE BEHAVIORAL DIFFERENCES BETWEEN THE
  SEALS AND SEA LIONS

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OBSERVATIONS

• LOUISVILLE ZOO
• SEAL AND SEA LION EXHIBIT

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HOW DO YOU TELL THE DIFFERENCE BETWEEN A SEAL AND
A SEA LION?
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SEA LION

• HEAD HAS SMALL, SLIM EXTERNAL EAR FLAPS.
• FRONT FLIPPERS LONG AND WING-LIKE USUALLY
  HAIRLESS. NO NOTICEABLE NAILS
• HIND FLIPPERS LARGE AND PADDLELIKE HAIRLESS
  WEBBED DIGITS. NAILS MIDWAY ALONG MIDDLE DIGITS.
  CAN TURN HIND FLIPPERS FORWARD FOR LOCOMOTION ON
  LAND

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SEALS

• HEAD HAS TINY EAR HOLES NO EAR FLAPS.
• FRONT FLIPPERS SHORT AND BLUNT COVERED WITH
  HAIR. CLAWLIKE NAILS ON DIGITS.
• HIND FLIPPERS SHORT AND PADDLELIKE COVERED
  WITH HAIR WEBBED DIGITS. NAILS ON ALL DIGITS.
  CANT TURN HIND FLIPPERS FORWARD.

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SEA LION FACT SHEET

• HABITAT SANDY BEACHES,FLAT REEFS OF ISLANDS,
  AND BUOYS
• SIZE 5-8 FEET LONG 110-880 LBS.
• COLOR TAN BUT APPEAR DARK BROWN WHEN WET
• FEEDING SQUID, FISH, CRUSTACEANS, MOLLUSKS

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SEAL FACT SHEET

• HABITAT BRITISH WATERS, WEST COAST OF SCOTLAND
  AND ENGLAND
• SIZE UP TO 7.35 FEET 200-500 LBS.
• COLOR BLACKISH-GREY, BROWN, AND WHITE CALICO
  MARKINGS
• FEEDING FISH, KRILL, CLAMS, CRABS, SHRIMP,
  SNAILS AND OCTUPUSES.

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SEA LION BEHAVIOR

• SWIMMING PATTERNS
• BREATHING PATTERNS
• INTERACTION WITH OTHER SEA LIONS
• TRICKS

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SEAL BEHAVIOR

• SWIMMING PATTERNS
• BREATHING PATTERNS
• INTERACTION WITH OTHER SEALS
• TRICKS

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WRAPPING IT UP!

• ACTIVITY COMPARISONS
• GROUP INTERACTION COMPARISONS
• VOCALIZATIONS
• COMPETITION

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THE END