CrocodiliansThis order consist of 22 speciesAlligators – 7 speciesCrocodiles – 14 speciesGharials – 1 specie
CrocodiliansCrocodiles are moreadvanced than otherreptiles in 2 ways:1. 4 chamber heart2. Brain has a truecerebral cortex– Allows for learning and not instinctive.
CharacteristicsMassive, elongated head armed withmany teethShort sturdy legsLong strong tailWebbed hind feet.
CrocodiliansCrocodiles are mostlyfound in tropical andsubtropical areas.American andChinese alligators canbe found in areas withwinter temperatures.
GharialsGharials have a long slender snout.This snout is designed to catch fish (like adolphin or gar)Gharials also have weak legs and rarelymove away from the water.
CrocodiliansDifference between Crocs and Gators:Alligators have a broad, rounder snoutthan crocodiles and their 4th tooth on eitherside is enlarged and hidden when mouthclosed.Crocodiles snouts taper and the 4th toothcan be seen when the mouth is closed.
Crocodilians All crocodilians are carnivoresThey are mostly ambush predatorsAdults will eat anything they can pulldown.Babies eat insects, amphibians, fish, orcrustaceans
CrocodiliansCrocodiles have incredible jaw strengthwhen closing.Their muscles for opening their jaw areweak.Death Roll – is when they crocodiles rollsto tear off a piece of meat.
CrocodiliansBiggest Recorded:Alligators – 18 feetGharial – 21.5 feetCrocodiles – 24.5 feet– 14 foot with girth of 7 feet and weigh 2 tons.