Lunar cycle determines hunting behavior of nocturnal gulls

[ScienceDaily]

Zooplankton, small fish and squid spend hardly any time at the surface when there's a full moon. To protect themselves from their natural enemies, they hide deeper down in the water on bright nights, coming up to the surface under cover of darkness when there's a new moon instead. Scientists discovered that this also influences the behavior of swallow-tailed gulls, a unique nocturnal species of gull from the Galapagos Islands.

 

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