Winging IT——《鸟类是如何认路的》的原文

The term“birdbrain”sounds like an insult until you learn a few things about migrating birds.Arctic terns,for example,somehow steer an 11,000-mile course each autumn from their breeding grounds north of the Arctic Circle to the antipodes of the Southern Hemisphere,They locate favorite stopovers on the Bay of Fundy,fly three days nonstop over