mercredi 16 juillet 2008
alligators/ crocodiles

Easy way to differenciate crocodiles from alligators: watch their teeth.
In crocodiles, the teeth of the lawer jaw fit into grooves on the outside of the upper jaw, so when the mouth is closed both upper and lower teeth are visible.
In alligators, the teeth of the lower jaw fit into sockets in the upper jaw, so when the mouth is closed the upper theeth are visible.
dimanche 13 juillet 2008
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