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Monotremes

Monotremes. Chris Bednar. Taxonomy. Animalia. Chordata. Mammalia. Monotremata. Ornithorhynchidae Platypus. Tachyglossidae Echidna. † Kollikodontidae † Steropodontidae. Monotreme Facts. Split from marsupials and placenta mammals early Lay eggs

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Monotremes

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  1. Monotremes Chris Bednar

  2. Taxonomy Animalia Chordata Mammalia Monotremata Ornithorhynchidae Platypus Tachyglossidae Echidna †Kollikodontidae†Steropodontidae

  3. Monotreme Facts • Split from marsupials and placenta mammals early • Lay eggs • Found in Australia, Tasmania, and Papua New Guinea • Half of species extinct • 5 extant species

  4. Platypus • Features • Webbed feet • Duck-like bill • Flat round tail • Venomous • Habitat • Fresh water • Rivers • Streams • Threats • Habitat loss • Hunted • Least Concerned Species Ornithorhynchusanatinus

  5. Shortbeaked Echidna • Features • Spines • Long tongue • Round snout • Habitat • Underground • CO2 resistant • Avoids day time • Swims • Threats • Habitat loss • Introduced predators • Least Concern Species Tachyglossusaculeatus

  6. Longbeaked Echidnas • Features • 3 types • Long digging snout • Habitat • High mountains • Shrubs • Grasslands • Threats • Hunting • All 3 Critically Endangered • Unsuccessful human breeding • Sir David’s extinct? Zaglossusattenboroughi Zaglossusbruijni Zaglossusbartoni

  7. Questions?

  8. References http://www.ucmp.berkeley.edu/mammal/monotreme.html http://www.britannica.com/EBchecked/topic/390160/monotreme

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