ends his territory of about 1/4 acre.
In dive displays, he flies in a U shape, rising 10-40 ft. on each side.
After mating, the female builds the nest and raises the young alone.
The flight speed has been clocked at 25 mph and estimated at up to 50 mph
The average man burns about 3,500 calories a day. If the daily output of these birds were calculated for a 170-pound man, he would need to burn about 155,000 calories
Hummingbirds do not ride on the backs of geese during migration. They migrate on their own power.
Generally, adults birds migrate first, while the young continue to feed and grow before migrating.
Some Ruby-throats migrate 600 miles across the Gulf of Mexico. During fall they will store enough fat to double their weight in order to make the long trip. That's quite a feat for a bird that weighs about the same as 2 1/2 paper clips!