Crystal precision by Mario Cea, Spain. Every night, not long after sunset, about 30 common pipistrelle bats emerge from their roost in a derelict house in Salamanca, Spain, to go hunting. Each has an appetite for up to 3,000 insects a night, which it eats on the wing. Its flight is characteristically fast and jerky, as it tunes its orientation with echolocation to detect objects in the dark. (Photo by Mario Cea Sanchez/2016 Wildlife Photographer of the Year)
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