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.

Hummingbird migrations take place in spring and fall and those events are cause for excitement among many people. "They are the gateway drug to bird watching because they are incredibly charismatic," ...

Editor’s note: This is part of a short series on hummingbirds. We asked expert bird bander, Kay Lookingbill, if we could compile some of her wonderful fun hummingbird facts from her Facebook posts and ...