Puttin’ on the Weight
Look who’s put on a little weight (okay, perhaps more than a little) in preparation for the long trip south, a reminder of how critical these final feeding days are before migration begins.
Fueling Up for the Journey
Experiments with captive hummingbirds given unlimited food show that intake increases dramatically before migration, with studies finding some species consume up to 38% of their body mass per day just prior to departure. (Source: Hummingbird101)
