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Flying Solo
Migrating Ruby-Throated Hummingbirds are solo fliers. They are very unsociable birds. They do not fly in a flock like ducks or geese. Scientists say that they are better off as solo fliers because they are small birds and it is hard for predators to see them when they travel alone. Along the migration route, hummers stop frequently to refuel at flowers and feeders. The availability of abundant food sources are few for a large group. The birds have very little body fat so flying as a flock would not generate enough air current to keep them together.
Hummingbird: Flying Solo

Geri DeBoer