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Actually... YES they CAN! The muscles of their jaws are VERY strong for CLOSING their mouths, but VERY WEAK for OPENING their mouths. This why the average man can hold the croc's mouth closed (once it is already closed) while someone else wraps Duct Tape around the snout, or the person holding the croc's mouth closed can tape it shut.
What else can I help you with?
Why do crocodiles sleep with their mouths on the beach?
Crocodiles are often seen on the beach, looking like they are asleep, with their mouths open. What they are doing is basking, they keep their mouths open to regulate their body temperature. People sweat, dogs and cats pant, and crocodiles open their mouths :)
Do crocodiles close their eyes when they open their mouths?
No. Crocodiles have muscles in their mouths that are extremely powerful, and designed to firmly. When submerging under water, they close their ear and nostril flaps. They have a third eyelid, called the nictitating membrane that protects their eyes underwater.
Why do crocodiles open their mouths?
Crocodiles open their mouths for 2 reasons: to cool off and to let spur-winged plovers get rid of parasites. the cooling is possible because the open mouth has more volume (surface area) for heat to escape.
What are crocodiles weakness?
Crocodiles can't open their mouths if you hold them shut. That's the only weakness I know of. Do you plan on fighting a crocodile anytime soon?
Why do eels open and close their mouths?
eels must open and cloth their mouths constantly in order to circulate water over their gills
How do crocodiles get its teethclean?
They normally lie with their mouths partly open, and the local birds pick off any bits of flesh from the teeth.
Who said Be careful of the guys that close their eyes when they open their mouths?
Alan Brunacini
How do crocodiles clean their teeth?
Crocodiles clean their teeth by opening their mouths wide and allowing small birds called "crocodile birds" to pick food bits and debris from between their teeth. This cleaning symbiosis benefits both species as the birds get a meal and the crocodiles get their teeth cleaned.
What joint causes the click and pop that sometimes heard when mouths open and close?
The temporomandibular joint (TMJ).
Why do frogs open and close their mouths?
Frogs open and close their mouths to breathe. They don't have diaphragms to help them breathe, so they use muscles in their mouth to push air into their lungs. They also use this action to help them swallow food.
Could a fish survive without opening and closing there mouths?
No. If they didn't open and close their mouths, water couldn't flow through their body, and then out their gills. Thus, they wouldn't survive.
Who does the death roll an alligator or a crocodile?
Both Alligators and Crocodiles do the 'death roll'. All 23 species of Crocodilians can only open and close their mouths, and cannot move them from side-to-side like you or I, so have to do the 'death roll' in order to dismember their prey, as they can only eat their food whole.
