ADMIRABLE TRAFFIC: WATCHING THE GREAT BIRD HIGHWAY

摘要

Autumn hits later than it used to, and climate change scientists are studying how this will affect the flora and fauna. But despite the shifts in temperature and timing, autumn remains an inevitable fact in our year. While we are starting to look forour sweatshirts and sweaters before we head out for the evening, many of our avian friends are turning their attention southward. It's not so much the chill but rather the diminishing resources—especially food—that drive birds to migrate.