Study shows nesting under white lights causes increased hormone levels in songbirds

(Phys.org)—A small team of researchers with members from The Netherlands Institute of Ecology, the Max Planck Institute for Ornithology and Wageningen University has found that wild great tits living under street lights that emit white light have higher than normal amounts of the stress hormone corticosterone in their blood. In their paper published in Royal Society – Biology Letters, the group describes the field studies they carried out, what they learned and offer suggestions for ways to protect wildlife from the damaging impact of light pollution.

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