EAGLE COUNTY — Very few animals are as continually aggressive as the rufous hummingbird (selasphorus rufus). When they stake out a feeding area of flowers or a feeder with nectar, they are in charge. No other bird gets a chance to feed in that area. They are relentless at defending their territory. Eagle County has three common hummingbirds: the rufous, the calliope and the broad-tailed hummingbirds. The male rufous body is orange with a bright orange throat called a gorget. The gorget on the broad-tailed is red. The gorget on the much smaller calliope is also red, but individual feathers …
Source: Vail Daily Feed