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Hawaiian Monk SealMonachus schauinslandi  

By Jasmine and Addie

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External Anatomy

•Eyes

•Light grey coloring

•Limbs (flippers)

•Sleek fur

•Vibrissae (detect vibrations)

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Features

• Eyes: Excellent vision, much like a dog’s 

• Light grey coloring: Camouflage frompredators

• Limbs: Propel body forward through water

• Sleek fur: Warmth

• Vibrissae: Detect vibrations in water

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Range

Only native to the Hawaiian Island chain

Also lives on unpopulated islands in the

Central Pacific

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Habitat

• Only in the central pacific

• Need warm waters (food and warmth)

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Population Status

• Endangered

• Only about 1,200 in thewild today

• Conservation efforts – 

Laws protecting theseals, tagging, andhabitat protection

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Past Populations

• It is at its lowest population in history

• Has declined by more than 60% in the last50 years

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Reproduction

• Mating season is between August andDecember

• Nine month gestation period

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Life Stages

• Fetus

• Pup• Young seal

• Mature adult

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Stages

Fetus Stage

• Takes nine months to develop

• Mother seal gives birth to one pup a year

Pup Stage

• Born about 35 pounds, 1 meter long

• Have a black coat for six weeks

• Nursed by mother

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Stages (continued)

Young Seal

• Replaces black coat with grey after sixweeks

• Mother deserts pup and returns to the sea

• Pup is left to learn how to survive on its

own

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Stages (continued)

Mature Adult

• Young seal grows up and reaches maturityat age four

• Females are 400-600 pounds, males are300-400 pounds

• Once mature, searches for a mate• Mates during mating season, and leaves

mate

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Strongest Senses

• Vibrissae

• Eyesight

• Hearing

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Vibrissae

• Look like “whiskers” • Also on cats and other mammals

• Sense vibrations

• Each vibrissa is held in a blood sinus,which captures and senses the tinymovements when the vibrissa moves

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Eyesight

• Sees in black and white

• Clear and focused vision• Mucus is produced to protect eyes while

the seal is not in the water

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Hearing

• Has an external pinnae, which is also likean ear opening

• In the water, the seal can hear soundsbetter than on land

• Strong sense, but relatively weaker whencompared to that of other seals

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Feeding Habits

• Eats fish, lobster, eels, and octopus

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• http://wildhawaii.org/images/monk_seal_graphic_honolulu_advertiser_427px.jpg 

• http://www.seals-world.com/hawaiian-monk-seal.html 

• http://media.merchantcircle.com/22825741/Hawaiian%20Monk%20Seal_full.jpeg 

• http://en.wikipedia.org/wiki/Hawaiian_monk_seal 

• http://earthtrust.org/wlcurric/seals.html 

• http://www.fpir.noaa.gov/PRD/prd_hawaiian_monk_seal.html  

• http://www.mcbi.org/what/monk_seals.html  

• http://www.conservationhawaii.org/wp-content/uploads/2011/04/IMG_10721.jpg  

• http://www.hawaiimagazine.com/images/content/Hawaiian_monk_seal_state_mammal/monk%20seal%202.JPG  • http://www.palomar.edu/oceanography/harbor_seals/facts.htm#  

• http://www.dosits.org/images/dosits/mom-n-pup-in-water.sm2.jpg 

• http://image.absoluteastronomy.com/images/topicimages/v/vi/vibrissae.gif  

• http://www.batguys.com/contact/images/Squirrel.JPG  

• http://www.hawaiilifeofluxury.com/images/hawaiian_monk_seal.jpg 

• http://asadl.org/jasa/resource/1/jasman/v87/i1/p417_s1?isAuthorized=no