Since last week we learned about the history of the ever-ancient alligator, in honor of Old Hardhide before he went into his winter slumber, let’s discuss something a little less toothy this week. In fact, they have no teeth at all, but they can go head-to-head with alligators on spunk and protecting their territory. I’m referring to the tiniest bird of them all: the hummingbird.Thes...