Polar Bears Abby Harmon
World’s Largest Predators Where can I be found? – Artic – U.S.( Alaska) – Canada – Russia – Denmark(Greenland) – Norway
Endangered Species Are polar bears endangered? – Artic Scientist believe that polar bears are endangered in the artics. They are believed to be endangered because of the climate change in the artics.
Characteristics Size “The polar bear is the largest land carnivore.” Male polar bears are about three times the size of females. – Males “boars weigh (772-1,433 lb.)” “Length: ( ft.) long.” – Females “Sows weigh ( lb.)” “Length: ( ft.)” “Pregnant bears weigh about (1,102 lb.)”
Characteristics (Cont.) Body shape – Slender bodies compared to bears – Long necks and heads Coloration – their fur color will vary Limbs – Longer back legs than front legs – Five-toed paws – Webbed front feet and elongated hind feet
Characteristics (Cont.) Limbs (Cont.) – Walks of soles of feet – Heels touch ground first – Lumbered gait – Head goes side to side walking – Uses twice the energy to move due to size – 3.4 mph average walking speed – 25 mph when chasing prey
Characteristics (Cont.) Head – Elongated head – Nose: Broad and black
Characteristics (Cont.) Teeth – 42 teeth – Used in eating and aggressive behavior
Eating Habits Eats -reindeer -small rodents -seabirds -waterfowl -fish -eggs -vegetation -berries -human garbage
Eating Habits (Cont.) The stomach can hold 15% to 20% of its body weight Eats this much when high demand for energy Do not eat when hibernating
Activity Activeness – Most active first third of day – Least active final third of day When sleeping – Often sleeping or resting – When warm lay out on ground or ice – When cold curl up
Behavior Groups -Adult females with cubs -Breeding pairs Male and females play fight Cubs chase and tackle brothers & sisters
Hibernation Only pregnant females Easily awakened Stores body fat when food is plentiful Food scarce, hibernate
Population Population of Polar Bears – 20,000 to 25,000 individual polar bears – Male to female ratio is about one:one Declining population – Due to the loss of sea, ice habitats.
Bibliography “Kidzone”- “Polar Bear International” “Sea-World” “Sea-World” “Hibernating”
Bibliography (Cont.) Pictures “Paw Print” “Sunshine Polar Bear” “Shy Polar Bear” htmlhttp://animalzfun.blogspot.com/2012/04/cute-bears-nice-photos-images html “Walking Polar Bear” walking-chttp://explore.org/photos/5721/polar-bear-ursus-maritimus-large-male- walking-c “Cubs” “Stare” “Teeth” tracking-polar-bears/ tracking-polar-bears/ “Teeth Close up” 20TOMPKINS%20WEBPAGE/ASSETS/Teeth.html 20TOMPKINS%20WEBPAGE/ASSETS/Teeth.html “Blog post” the-new-alaskan-polar-bear-habitat-be.htmlhttp:// the-new-alaskan-polar-bear-habitat-be.html “Fishy” “Hibernate” hibernate/ hibernate/ “Curled up”