Some longer journeys are not migratory at all but undertaken to satisfy various impulses.
—G. Gordon’s Field Guide to the Birds of the Pacific Northwest
A mama crow lays between three and seven eggs in a summer.
Baby crows live with their parents for years before starting their own families.
Brother and sister crows will stick around to help feed the new baby crows.
A baby hummingbird is the size of a bumblebee.
A baby hummingbird must be fed every few minutes. It’s a marathon.
An adult hummingbird weighs about four grams. That’s less than a teaspoon of sugar!
Hummingbirds fly south for the winter, some as far as Mexico. That is called migrating.
The American crow does not migrate.