Myths and realities around the full moon: how is the life of the animal world upset by the phenomenon?

The full moon also has an influence on the behavior and physiology of certain animals. Certain molluscs (oysters), marine worms (Eunice viridis) or crustaceans (red crabs) indeed seem to have adapted their reproductive cycle to the rhythm of high tides. The sex life of amphibians (80% of whose species live at night) is notably synchronized with the full moon. This allows them in particular to recognize partners of their species. Another example: on Christmas Island, off Bali, every year in November, at the time of the full moon, millions of red crabs migrate from the forest to the Indian Ocean in order to mate and to release their eggs there, as if blessed by the powers of influence of the lunar star. Ditto in corals which reproduce, too, when its sphere is full.

More surprisingly, perhaps, veterinary emergencies would be beset with calls on full moon nights. In a 2007 study, veterinarians and students from the University of Colorado analyzed admission data from 12,000 dogs and cats, according to the lunar cycle and the reason for the visit. They had found, in fact, that the number of appointments increased statistically significantly on full moon evenings. To explain this phenomenon, scientists hypothesize that due to more intense hunting activity, the risk of injury or cardiac arrest is accumulated in these two species. Even if no dog or cat has turned into a werewolf…


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