Fascinating Facts About Marine Mammals

Manatees
Dive time - ~ 20 minutes
Dugongs
Distinctive features
 
Bottom feeders 
 eat seagrass!
Walruses
Distinctive features
 
Mouth and face adapted
  
for feeding on clam beds!
Suborder Pinnipedia, Family Otariidae
Members
 
Eared seals
  
Southern fur seals
  
Northern fur seals
  
Steller’s sea lions
  
South American sea lions
  
New Zealand sea lions
  
California sea lions
Distinctive features
 
External ear flaps 
 pinnae
 
Long, hairless/sparsely
  
haired foreflippers
 
Large hindflippers
 
Males >> Females
Steller’s Sea Lions
 
Males 
 9.8 feet long
   
  2000 lbs.
 
Females 
 7.2 feet long
   
      595 lbs.
https://www.youtube.com/watc
h?v=VX6XSqP6UVo
California Sea Lions
Suborder Pinnipedia, Family Phocidae
Members
 
True seals 
 just a few examples
  
Harbor seals
  
Ribbon seals
  
Bearded seals
  
Mediterranean monk seals
  
Leopard seals
  
Elephant seals
Distinctive features
 
No external ear flaps - pinnae
 
Short, haired foreflippers
 
Non-rotatable hindflippers
 
Most: Males > Females
https://www.youtube.com/watch?
v=l6mGixhCcYY
Elephant Seals
 
Males 
 > 20 feet long
   
  8,800 lbs.
 
Females 
 8.5 to 9.8 feet long
   
      880-2,200 lbs.
Leopard Seals
 
Distinctive features
  
Large head
  
Marked neck constriction
  
Huge gape
  
Exceptionally long canines
  
Females > Males
https://www.youtube.com/watc
h?v=X5H2VsoXNpU
Order Carnivora, Family Mustelidae
Member
 
Sea otter
Distinctive features
 
Heaviest members of the family
  
31 to 99 lbs
 
Smallest marine mammals
 
Males > Females
Distinctive features
 
Thick coat of fur
  
250,000 to 1 million hairs/inch
2
https://www.youtube.com/watch?v=Z
xqg_um1TXI
Distinctive features
 
Uses tools
Order Carnivora, Family Ursidae
Member
 
Polar bear
Distinctive features
 
Native range 
 lies 
 
 
     within Arctic Circle
Distinctive features
 
Sister species of brown bear
 
Males > Females
 
Largest land carnivore
 
Skin is black
 
Reflective guard hairs
https://video.nationalgeographic.com/vid
eo/101-videos/polar-bears-101
Long-finned pilot whale
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Explore the unique characteristics of marine mammals like manatees, dugongs, walruses, sea lions, elephant seals, leopard seals, and sea otters. Learn about their distinctive features, sizes, behavior, and habitats. Discover the diverse suborders of pinnipeds and the intriguing world of these fascinating creatures.


Uploaded on Sep 10, 2024 | 1 Views


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  1. Manatees Dive time - ~ 20 minutes

  2. Dugongs Distinctive features Bottom feeders eat seagrass! Walruses Distinctive features Mouth and face adapted for feeding on clam beds!

  3. Suborder Pinnipedia, Family Otariidae Members Eared seals Southern fur seals Northern fur seals Steller s sea lions South American sea lions New Zealand sea lions California sea lions Distinctive features External ear flaps pinnae Long, hairless/sparsely haired foreflippers Large hindflippers Males >> Females

  4. Stellers Sea Lions Males 9.8 feet long 2000 lbs. Females 7.2 feet long 595 lbs.

  5. California Sea Lions https://www.youtube.com/watc h?v=VX6XSqP6UVo

  6. Suborder Pinnipedia, Family Phocidae Members True seals just a few examples Harbor seals Ribbon seals Bearded seals Mediterranean monk seals Leopard seals Elephant seals Distinctive features No external ear flaps - pinnae Short, haired foreflippers Non-rotatable hindflippers Most: Males > Females https://www.youtube.com/watch? v=l6mGixhCcYY

  7. Elephant Seals Males > 20 feet long 8,800 lbs. Females 8.5 to 9.8 feet long 880-2,200 lbs.

  8. Leopard Seals Distinctive features Large head Marked neck constriction Huge gape Exceptionally long canines Females > Males https://www.youtube.com/watc h?v=X5H2VsoXNpU

  9. Order Carnivora, Family Mustelidae Member Distinctive features Heaviest members of the family 31 to 99 lbs Smallest marine mammals Males > Females Sea otter

  10. Distinctive features Thick coat of fur 250,000 to 1 million hairs/inch2 https://www.youtube.com/watch?v=Z xqg_um1TXI

  11. Distinctive features Uses tools

  12. Order Carnivora, Family Ursidae Member Distinctive features Native range lies within Arctic Circle Polar bear

  13. Distinctive features Sister species of brown bear Males > Females Largest land carnivore Skin is black Reflective guard hairs https://video.nationalgeographic.com/vid eo/101-videos/polar-bears-101

  14. Long-finned pilot whale

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