CARNIVORA Sharp Teeth Meat-eaters. SEA OTTER Smallest marine mammal, in weasel family Thick,...

CARNIVORA

Sharp TeethMeat-eaters

SEA OTTER

• Smallest marine mammal, in weasel family

• Thick, luxurious fur – hunted for fur• Diet: molluscs, sea urchins & fish

Characteristics

• Very intelligent evidence by use of tools when feeding

• No blubber, traps a layer of air for insulation

• Height: 4 – 5 ft, Weight: 45 – 65 lbs.

POLAR BEARS

• Ursus maritimus• Live in Arctic• Height: 8 – 10 ft tall• Weight: 550 – 1700#• Lifespan: 18 – 30 yrs• Diet: ringed seals • Terrific swimmers• Predator

Adaptations

2 Layers of fur, yellowish white

Blubber layer and compact ears

Fur on feet & has black skin

Narrow head & slender neck

Excellent sense of smell

Will cover black nose with snow

SERIOUS ISSUES

• Low reproductive rate, 1 – 2 cubs

• Birth size: 12 – 14 inches, 1 lb

• Stays with mother in den nursing – 30 lbs» Threatened by global warming & loss of sea ice» Must swim longer distances to find food» Hunted