American Tree Sparrow
• Peak Breeding Activity: May-August
• Incubation: 10-14 days
• Clutch Size: 4-6 eggs
• Young Fledge: 8-10 days after hatching
• Typical Foods: seeds, berries and insects
Tree sparrows are mostly gray with a rufous crown and ear stripe. Their upperparts are streaked brown. There is one dark spot in the center of the breast.
Habitat and Habits
These sparrows prefer thickets of willow or birch and fields with scattered shrubs.
Reproduction and Care of the Young
Nests are made on the ground and concealed by tundra vegetation. Females incubate the eggs and brood the chicks. Both parents feed the young.