Friday, August 27, 2010

Nile Crocodiles Communicate Before Hatching

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“Baby crocodiles talk to each other while still in the egg,” synchronizing hatching, reports The Times of London. Pre-hatch calls of Nile crocodiles in their eggs were recorded. The calls were then played to one group of eggs.

The juveniles in those eggs answered the calls and made their eggs move more frequently than those not exposed to the calls. “Those hearing the noises of other unborn crocodiles synchronised their hatching to within ten minutes of each other,” says the report. Eggs that were either kept in silence or exposed to random noise failed to fine-tune their hatching.


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