Most migratory birds migrate at night. Learn how light pollution affect birds, and how turning out lights at night and modifying outdoor lighting fixtures helps migrating birds journey through Colorado. Lights Out Colorado aims to help save millions of birds as they begin their spring migrations to and through Colorado at night April-May and August-September. Take the Lights Out pledge and find additional information at https://idacolorado.xyz/lights-out-co... Lights Out Denver collects data on bird window strikes, and promotes energy-saving and bird-friendly practices in downtown Denver. Get involved at https://www.denvergov.org/Government/... Denver Audubon partners with organizations promoting bird-friendly practices and inspiring actions that protect birds, other wildlife, and their habitats through education, conservation, and research. Attend birding programs and learn more at https://denveraudubon.org/ Partner Organization Links: Audubon Rockies, National Audubon - https://rockies.audubon.org/ International Dark-sky Association Colorado Chapter - https://idacolorado.xyz/ City & County of Denver, Lights Out Denver - https://www.denvergov.org/Government/... Bird Conservancy of the Rockies - https://www.birdconservancy.org/