Millions of birds are starting their nightly migration through Colorado: Here’s how to protect them

Millions of birds are starting their nightly migration through Colorado: Here’s how to protect them

Coloradans are being asked to dim their lights to aid the millions of birds flying over the state each night amid the annual spring migration. Every year, birds migrate north in the spring and south in the fall. Nearly 80% of birds that migrate do so at night, often navigating by starlight, according to the National Audubon Society. However, artificial light from humans can disorient the birds, throwing them off their migration path and sometime…