Fascinating Facts About Marine Mammals
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.
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Presentation Transcript
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
Stellers Sea Lions Males 9.8 feet long 2000 lbs. Females 7.2 feet long 595 lbs.
California Sea Lions https://www.youtube.com/watc h?v=VX6XSqP6UVo
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 Distinctive features Heaviest members of the family 31 to 99 lbs Smallest marine mammals Males > Females Sea otter
Distinctive features Thick coat of fur 250,000 to 1 million hairs/inch2 https://www.youtube.com/watch?v=Z xqg_um1TXI
Distinctive features Uses tools
Order Carnivora, Family Ursidae Member Distinctive features Native range lies within Arctic Circle Polar bear
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
