This article discusses the impact on migratory birds from climate change – it is not good. Spring is advancing much faster in northern areas than it is in southern areas throughout three migration routes.
Generally in North America, spring is arriving earlier and earlier. But this shift isn’t uniform across the continent. That unevenness, according to a new study published in the journal PLOS One, has unfortunate consequences for migratory birds, whose trips correlate with seasonal changes.