E D205 All About The Alligator


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E D205 All About The Alligator

  1. 1. Patricia Radtke ED 205-05
  2. 2.  Alligator or  Predators Crocodile?  Cold Blooded  Types of Alligators  Vision  Meet the Alligator  Alligator Farming  Diet  Extinction Scare  Reproduction  Is Florida too hot?  The Tail  Imagine This…  Where are they  Bibliography found?  Communication
  3. 3. Alligator Crocodile Snout Short, wide, and U-shaped Long, narrow, and V- shaped Teeth Lower teeth are mostly When mouth is closed, the hidden when mouth is lower teeth show outside closed while fitting into the upper jaw and upper sockets in upper jaw teeth show outside the lower jaw Salt Glands Non-functional Salt glands on the tongue emit extra salt Sensory Pits Only near jaws Found all over the body
  4. 4.  American Alligator  19 feet long, and up to 600 pounds  Chinese Alligator  6 feet long  has a bigger head  its snout is tapered and turns up slightly at the end Chinese Alligator
  5. 5.  Four legged  Long tail (half of its length)  About 80 teeth  Grow back as they loose them  No longer endangered  Can live in the wild from 35 to 50 years  10 to 15 ft in length  Up to 1,000 lbs Hear the alligator bellow
  6. 6.  Carnivore  Nocturnal, feed only at night That is the sound of a  Swallow food whole hungry alligator  Offspring:  Insects, shrimps, snails, small fish, tadpoles and frogs  Adults:  Fish, birds, turtles, reptiles, and mammals
  7. 7.  April to May  Females can lay up to 50 eggs  Large nest  3 feet tall, 6 feet wide  Made of mud  Female protects the eggs but cannot sit on them because she can crush them  Mother stays with offspring for about one year  Temperature determines sex of offspring  Above 93°F = Male  Below 86°F = Female See baby alligators hatching!  In between = Both Listen to baby alligators
  8. 8.  An alligators tail is filled with fat and acts as a propel when it swims and is half of the animal’s body.  It can also make “gator holes” which are pools of water.  They use their tails as weapons when threatened.
  9. 9.  Alligators mostly live in fresh to semi salty water, in swamps, marshes, canals, and lakes  The American alligator  only found in the southeastern part of the USA  Chinese alligator  lower Yangtze River basin in China
  10. 10.  Hiss  long, loud, full-bodied  Used as defensive warning  Bellow  most often in spring during mating season  Carry long distance in the water  females make single bellow-growl when approached by male  Male alligators use "water dance" to woo females and to signal location and dominance among other males  The vibrations from their bellows is what makes the water “dance”
  11. 11.  An Alligators number one predator is man  Pythons  Uses for alligator  Meat  Hand bags  Boots  Clothing  Other Products
  12. 12.  Feeding, metabolic rate, digestion, and other activity depends on external temperature  The heat from the sun activates digestive enzymes, so cold temperatures can kill an alligator with a full stomach because the food will rot instead of digest  The best body temperature is around 89°F  When it is cold outside, alligators come out of the water to absorb the sun  When it is warm outside, they stay in the water, or go into the water to cool off
  13. 13.  An alligators pupils fully dilate at night creating the sharpness similar to an owl  Eyes are on top of the head and they can pull them into their skull for protection  Eyes act like a compass needle and stay vertical to the horizon, no matter the heads position.
  14. 14.  Georgia, Texas, Louisiana  6 to 7 ft hides average $300  300,000 lbs of meat produced annually (continually growing)
  15. 15.  The alligator was listed as an endangered species in 1967  The Endangered Species Act of 1973 outlawed alligator hunting  By 1987, the alligator population recovered
  16. 16.  The alligators living in the everglades have been smaller in weight and length  This could be from the high temperatures increasing their metabolism or from limited food availability
  17. 17.  While swimming on a summer vacation, imagine seeing an alligator in the water… Click here to see the news report
  18. 18.  “All about Alligators.” Enchanted Learning. 02 August 2009. <http://www.enchantedlearning.com/subjects/Alligator.shtml >.  “American Alligator.” 03 August 2009. <http://www.corkscrew.audubon.org/Wildlife/Alligators.html>.  “American Alligator.” National Geographic. 02 August 2009. <http://animals.nationalgeographic.com/animals/reptiles/america n-alligator.html>.  “Alligator Sounds.” Sound Board. 03 August 2009. <http://www.soundboard.com/sb/Alligator_sounds_audio.aspx>.  “Chinese Alligator.” Saint Louis Zoo. 03 August 2009. <http://www.stlzoo.org/animals/abouttheanimals/reptiles/alligato rsandcrocodiles/chinesealligator.htm>.