Term
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Definition
| A missing link in crocodylian paleohistory. Discovered in 2008 near Rio de Janerio |
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Term
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Definition
| Gharials and False Gharial |
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Term
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Definition
| SW Asian river basin. Longest/narrowest jaws of all crocodylians. Males grow a boss on snout tip. Most aquatic crocodylians. Impale fish by swiftly moving head. 4m length. Not dangerous to man. F. Gavialidae |
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Term
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Definition
| False Gharial. Borneo + Sumatra + Malay penn. Eat fish. Can also ambush. Poorly known. Overhunted + habitat destruction. F. Gavialidae |
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Term
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Definition
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Term
| Alligator mississppiensis |
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Definition
| American alligator. S.E. USA. 4m. Opportunistic carnivore. Breed at 2.1m length. Young have different coloration. Females show parental care. AR Post National Museum. F. Alligatoridae |
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Term
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Definition
| Chinese alligator. 2.1m length. Diet is 40% mollusks. Hibernate. Similar reproduction to A. mississippiensis. Lower jaw fits within mouth when closed. F. Alligatoridae |
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Term
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Definition
| Central to South America/Amazonia. Small to large (1.7-5m). Freshwater. Mound nest builders. Harvested + habitat destruction. F. Alligatoridae |
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Term
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Definition
| Introduced to S. Florida. F. Alligatoridae |
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Term
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Definition
| Crocodiles. Pan-tropical. Moderately long/broad jaws. 4th mandibular tooth is exterior when mouth is shut |
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Term
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Definition
| American crocodile. Up to 15'. 400 left in Everglades. Habitat destruction -> moving to saltwater. F. Crocodylidae. |
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Term
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Definition
| Estuarine crocodile. Up to 20'. Often seen at sea. Opportunistic predator. F. Crocodylidae. |
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Term
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Definition
| Nile crocodile. 16'. Dangerous. ~5000 people/yr eaten. Heavily populated in Nile Valley. Can build sand nests, but prefer mounds. F. Crocodylidae. |
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Term
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Definition
| Dwarf crocodiles. Exclusively nocturnal. |
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