Saltwater crocodiles Alex Mazzadi Grade 6 fessenden school
Scientific Classification Chordata Reptilia Crocodylomorpha Crocodylia Crocodyloidea Family: Crocodylida Scientific Name C...
Apperance   <ul><li>Grows up to  17 feet  or  5m </li></ul><ul><li>Hard armour  like skin ontop </li></ul><ul><li>Short le...
Where the saltwater crocodile lives?  http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile/ <ul><li>...
Reprodution  <ul><li>Breeding  season for saltwater crocodiles usually begins in late September.  </li></ul><ul><li>In  ca...
Diet  <ul><li>They’ll feed on anything they can get their jaws on, including: </li></ul><ul><li>water buffalo, </li></ul><...
Predators  <ul><li>Humans   </li></ul><ul><li>Anacondas   </li></ul><ul><li>Many eggs don’t survive because are preyed by ...
Saltwater crocodiles contribute to the diversity of life by:  <ul><li>Keeping  population control  of: </li></ul><ul><li>F...
Why Humans Hunt Crocodiles  <ul><li>They regard them as a  threat  to humans and live stock </li></ul><ul><li>For their  l...
What can be done to help  Saltwater Crocodile  survive?  <ul><li>Stop  cutting down territory  </li></ul><ul><li>Stop  hun...
Interesting facts  <ul><li>Saltwater Crocodile is the  earth’s largest living crocodilian </li></ul><ul><li>Classic  oppor...
References   <ul><li>http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile  (Nov23.2011) </li></ul><u...
Saltwater crocodiles Alex Mazzadi Grade 6 Fessenden School
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Alex mazzadi alex science project saltwater crocs

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Alex mazzadi alex science project saltwater crocs

  1. 1. Saltwater crocodiles Alex Mazzadi Grade 6 fessenden school
  2. 2. Scientific Classification Chordata Reptilia Crocodylomorpha Crocodylia Crocodyloidea Family: Crocodylida Scientific Name Crocodylus Porosus Phylum Chordata Class: Reptilia Superorder: Crocodylomorpha Order: Crocodylia Superfamily: Crocodyloidea Family: Crocodylidae
  3. 3. Apperance <ul><li>Grows up to 17 feet or 5m </li></ul><ul><li>Hard armour like skin ontop </li></ul><ul><li>Short legs </li></ul><ul><li>Long powerful tail </li></ul><ul><li>Thin powerful jaws </li></ul>A side and top view shows the different snouts of an alligator and a crocodile . Saltwater crocodiles both top and bottom teeth show . American alligators have only bottom teeth showing
  4. 4. Where the saltwater crocodile lives? http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile/ <ul><li>Salt and fresh water regions in: </li></ul><ul><li>Eastern India </li></ul><ul><li>Southeast Asia </li></ul><ul><li>Northern Australia </li></ul><ul><li>They are excellent swimmers and have often been spotted far out at sea </li></ul>
  5. 5. Reprodution <ul><li>Breeding season for saltwater crocodiles usually begins in late September. </li></ul><ul><li>In captivity the breeding season begins in August </li></ul><ul><li>During this time, the crocs, male and female both, become very aggressive and territorial </li></ul><ul><li>There are generally between 40-60 laid eggs </li></ul><ul><li>Eggs hatch 65-95 days later after laid </li></ul><ul><li>Not many eggs survive due to floods and predators </li></ul>http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile/
  6. 6. Diet <ul><li>They’ll feed on anything they can get their jaws on, including: </li></ul><ul><li>water buffalo, </li></ul><ul><li>monkeys </li></ul><ul><li>wild boar </li></ul><ul><li>and even sharks !!! </li></ul>MARINEBIO. http://marinebio.org/species.asp?id=187
  7. 7. Predators <ul><li>Humans </li></ul><ul><li>Anacondas </li></ul><ul><li>Many eggs don’t survive because are preyed by other animals </li></ul><ul><li>They are on the top of the food chain , so little to worry about !! </li></ul>Giant monster crocodile (1 ton and 21 feet) captured in the Philippines by 90 men http://news.nationalpost.com/2011/09/06/photos-giant-salt-water-crocodile-captured-in-the-philippines/
  8. 8. Saltwater crocodiles contribute to the diversity of life by: <ul><li>Keeping population control of: </li></ul><ul><li>Fish </li></ul><ul><li>Water buffalo </li></ul><ul><li>Wild boar </li></ul><ul><li>Turtles </li></ul><ul><li>Snakes </li></ul><ul><li>Birds </li></ul><ul><li>Crabs </li></ul><ul><li>Wild boar </li></ul><ul><li>Buffalo </li></ul><ul><li>Monkeys </li></ul>
  9. 9. Why Humans Hunt Crocodiles <ul><li>They regard them as a threat to humans and live stock </li></ul><ul><li>For their leathery hide (economic reasons) </li></ul><ul><li>For hunting purposes </li></ul><ul><li>For making new territory </li></ul>
  10. 10. What can be done to help Saltwater Crocodile survive? <ul><li>Stop cutting down territory </li></ul><ul><li>Stop hunting saltwater crocodiles </li></ul><ul><li>Create crocodiles farms </li></ul>
  11. 11. Interesting facts <ul><li>Saltwater Crocodile is the earth’s largest living crocodilian </li></ul><ul><li>Classic opportunistic predators </li></ul><ul><li>Population estimates range from 200,000 to 300,000 worldwide </li></ul><ul><li>Considered at low risk for extinction. </li></ul><ul><li>Explode from the water with a thrash of their powerful tails </li></ul><ul><li>Grasp their victim, and drag it back in, holding it under until the animal drowns . </li></ul>
  12. 12. References <ul><li>http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile (Nov23.2011) </li></ul><ul><li>www.wikipedia.org (Nov25.2011) </li></ul><ul><li>www.britannic encyclopedia.com (Nov28.2011) </li></ul><ul><li>http://w3.shorecrest.org/~Lisa_Peck/MarineBio/syllabus/ch9vertebrates/reptilesandbirds/repbirdwp/barbara/repro.html (Nov23.2011) </li></ul><ul><li>MARINEBIO-http://marinebio.org/species.asp?id=187 (dec2.2011) </li></ul>Thanks for watching … and Remember: Do Not Hunt Crocodiles! Alex Mazzadi Science Presentation Grade 6- Fessenden School
  13. 13. Saltwater crocodiles Alex Mazzadi Grade 6 Fessenden School

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