Brazilian free-tailed bats emerging at dusk from Frio Cave in south-central Texas. Wind turbines are killing many thousands of bats in North America and contributing to a population decline that may be costing agriculture billions, say researchers.
Brazilian free-tailed bats emerging at dusk from Frio Cave in south-central Texas. Wind turbines are killing many thousands of bats in North America and contributing to a population decline that may be costing agriculture billions, say researchers.