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The Adaptive Survival of Quokkas in Their Unique Ecosystem

Quokkas (Setonix brachurus) are fascinating marsupials native to Australia, particularly thriving on Rottnest Island. These gentle, nocturnal creatures, resembling hares with their short, coarse brown-grey fur and round ears, have developed remarkable adaptations for survival. They inhabit tall grass near fresh water sources and have specialized diets consisting of leaves, stems, and fruit. Despite facing threats from human development and natural predators, quokkas have shown resilience through their ability to store fat and climb trees, proving their adaptability in changing environments.

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The Adaptive Survival of Quokkas in Their Unique Ecosystem

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  1. How Well has the Quokka Adapted to its Environment (setonix brachurus) By: Kiyah Legg

  2. Vocabulary • Marsupial- a mammal with a pouch • Nocturnal- active at night • Inhabit- live there

  3. Appearance • Short coarse brown-grey fur • Size of a hare • Small rounded ears • A black nose at the end of its snout • Related to the wallaby

  4. This is a Quokka!

  5. Behavior • Nocturnal • Gentle animals • Can get sick if you feed them human food • A quokka baby is called a joey

  6. Habitat • Live in Australia on Rottnest Island, Bald Island, and the mainland • Often live in tall grass near a fresh water source • Defended by the dominate males • About 10,000 quokkas inhabit Rottnest Island

  7. History of Habitat • In 1969, a Dutch sailor, Willem de Vlaming traveled to what is now Rottnest Island • Thought Quokkas were large rats • Named the island Rattenest (Dutch for rat’s nest) • Eventually became Rottnest Island

  8. Diet • Are herbivores • Leaves, stems, bark, fruits, berries, and grass • Feed at night

  9. Threats Man Made • Declining population, from human development • Visitors have killed quokkas out of cruelty Natural • On the mainland-foxes, dogs, and cats • Developing muscular dystrophy, a disease in which muscles get damaged and weakened

  10. Adaptations • Marsupial- have pouches • They swallow their food without chewing • Can store fat in their tails to live off of so they can live without food or water for a little • Can climb trees

  11. Conclusion • Have adapted very well • Can live without food or water for a while • They can climb trees to escape from predators I Think • Quokkas will stay around for a while • because of the above • Continue to adapt to their environment

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