"The annual Christmas Bird Count, which started in 1900, is North America's longest-running citizen science project, according to Birds Canada. And with #ClimateChange impacting #BirdMigration patterns, experts say it plays a significant role in tracking the effects of the changing climate on bird populations."
"In over 70% of our models, we identify skyglow as a highly influential and consistently positive predictor of bird migration stopover density across the United States. This finding points to the potential of an expanding threat to avian migrants: peri-urban illuminated areas may act as ecological traps at macroscales that increase the mortality of birds during migration."