A pair of female ruby-throated hummingbirds duel over a feeder on the front porch of the Rum Creek Wildlife Management Agency office in Monroe County, Ga.
Caption
A pair of female ruby-throated hummingbirds duel over a feeder on the front porch of the Rum Creek Wildlife Management Agency office in Monroe County, Ga.

Hummingbirds Fight To Get Fat Pre-Flight

Imagine a man going from 170 to 255 pounds before your next big trip. Ruby-throated hummingbirds fight for the chance to do just that near the end of every summer. What does that sound like? Listen here to find out.