greindi.blogg.se - Download lights out for birds

Increased risk factors for diabetes, cardiovascular disease, impaired sleep, and higher risk of transmissible disease exposure may be most impactful to communities that are already at elevated risk of exposure to harmful pollutants, including the elderly, low-income communities and communities of color.īuilding owners and residents can help by voluntarily turning off unnecessary overnight lighting during migration seasons! How Can Building Owners and Managers Help?īuildings can extinguish unnecessary overnight lighting from late August through mid-November (fall) and mid-March through early June (spring). Research out of the University of South Florida shows that birds exposed to artificial light incubate West Nile Virus for twice as long, potentially increasing the occurrence of West Nile Virus in our cities. Research out of the Stanford Sleep Epidemiology Lab shows that street lighting can delay sleep cycles and reduce the quality of our sleep. Humans need the dark too! The American Medical Association recommends steering clear of blue-rich white LED streetlights to “minimize potential harmful human health and environmental effects.” The 2014 AMA Study suggests that exposure to artificial light at night may increase the risk of cardiovascular disease, depression, sleep disorders, obesity and breast cancer.

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This can all be made worse by weather patterns that force birds lower and in a more direct line with our buildings. Once on the ground, brightly lit building lobbies, reflective glass showing trees and shrubs, transparent facades, or even indoor plants near windows can lead to more collisions. These birds may collide with structures or become trapped in beams of light where they circle until they are exhausted. However, urbanization has wreaked havoc on these birds as the ever-present glow of artificial light turns the normally safe nighttime sky into a perilous pathway.īright lights confuse and disorient resident and migrating birds as they pass over brightly lit cities, like metro A tlanta. For generations, populations of warbler, thrush, and vireo have taken advantage of the darkened environment on their epic twice-yearly journey. Predators are less active at night, skies are often less turbulent, temperatures are cooler, and landing at daybreak allows for optimal foraging conditions.

Generally, the evening hours are calmer and safer for migrants. Most migrating birds pass through Georgia during the nighttime hours. Click here to read more about Project Safe Flight. Project Safe Flight volunteers patrol selected routes during peak bird migration periods collecting birds that have died or been injured after colliding with buildings. Georgia Audubon has been studying collision-related bird deaths through our Project Safe Flight Program since 2015.