There are several explanations for why hummers behave in this manner! The biggest reasons hummingbirds engage in aerial combat are to secure breeding and feeding territory. A true in-flight fight of ...

Small but speedy. Tiny but aggressive. Little bodies, big appetites. Hummingbirds are a study in extremes. They are the lightest North American birds. Most weigh less than two pennies at 3 to 4 grams.

Hummingbirds are tiny and delicate, but don’t be fooled: They are among the most aggressive birds in the avian kingdom. Their territorial fury is especially aimed at other hummingbirds. Competition ...

Ruby-throated hummingbirds are set to return to Alabama next week. The tiny birds migrated south last fall, spending the ...