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River terrapin

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    River terrapin River terrapin Presentation Transcript

    • The River Terrapin
      • By MD
    • What do they look like?
      • They look like olive gray/brown turtles, specifically...
      • webbed toes
      • small to normal sized head
      • upturned, pointed nose
      • smooth/dark shell, and a
      • light plastron (underneath the shell)
      • They weigh about 44 lbs.
      • Shell size is 2 feet!
    • Males Females Lighter head, neck, and legs Bigger body size Thinner tail Straight plastron Darker head, neck, and legs Smaller body size Thicker tail Curved plastron
    • Reproduction Gestation- 70-112 days in the egg. There are about 1-3 clutches per season. Each clutch has about 10-30 eggs. The parents don’t stay with the young.
    • Where do they live?
      • Sumatra, Thailand, Burma, and the Malay Peninsula (Asia).
      • The habitat is wet, sandy, and a rocky coast.
      • They are terrestrial and aquatic.
      • They nest on sandy banks.
    • What do they eat?
      • They are omnivores.
      • Wild River Terrapins eat mangrove fruit, mollusks, crustaceans, and fish.
      • Zoo River Terrapins eat 50% dark greens- endive, spinach, kale, ect.
      • Commercial River Terrapins eat chow and incidental chopped fish.
    • More information
      • This turtle is religiously significant to and is caught by Burmese Buddhists who capture them, decorate their carapace (hard upper-shell), and release them into the wild with great ceremony.
      • Although laws are being enacted to protect the River Terrapin, the large eggs are commercially valuable as food. Resulting in the animal being included on the CITES 1 and the USDI (E) lists. This means that the animal is endangered.
      • They have 4 front toes, most other turtles have 5.
    • Physical Adaptations 1-5
      • A shell, for camouflage to stay hidden from predators.
      • A shell, for protection from predators and the sun.
      • Webbed toes, for fast swimming, to escape predators
      • Webbed toes, to push themselves across the sand.
      • Smooth plastron, to slide across the sand (females).
      The River Terrapin has:
    • Physical Adaptations 6-10
      • Smooth shell, for fast swimming, to escape predators.
      • Longer toes, for pushing and digging sand or pebbles to find food and dig nests.
      • Upturned nose, to stay hidden from a predator while breathing.
      • Lays soft-shell eggs, so if one egg falls on top of another they won’t crack.
      • Hydrodynamic shape, for fast swimming to escape predators.
    • Behavioral Adaptations 1-5
      • Are less active if they want to hold their breath longer.
      • Dig in the sand to hide or find food.
      • Sit in the sun to maintain their body temperature.
      • Hold their breath to float in the water.
      • Let air out to dive deeper in the water.
      River Terrapins:
    • Improvements to the zoo
      • I think that the River Terrapin’s habitat can be improved in these ways :
      • They should include more spots of light, so the River Terrapin can maintain it’s body temperature.
      • They should make the land portion of the exhibit bigger because the River Terrapin is aquatic AND terrestrial. Also they need a bigger area to nest.
    • More Improvements!
      • 3. In the exhibit they should make the water section bigger, because the River Terrapin has many physical features (webbed toes, smooth shell, hydrodynamic shape) that help it swim fast. You need a bigger space to swim fast.
      • 4. In the exhibit, they should add a spot just made of sand because the River Terrapin has a smooth plastron (under the shell) for sliding across the sand, if it is rocky they can’t slide.
    • Last improvement!!
      • 5. In the exhibit they should also add a spot just made up with sand so the River Terrapin can dig for hunting, hiding, and nesting.