生长繁殖Growth and Breed
Although it sometimes climbs trees and shrubs to find food, the eastern chipmunk spends most of its time on the ground, where it excavates fairly extensive burrow systems . The burrow is usually built beneath a log or rock, at the base of a tree or under the edge of a building , and generally consists of a series of interconnected tunnels with multiple entrances . A nest of crushed or chewed leaves is built in an enlarged chamber, while other chambers are used to store food . On rare occasions, the eastern chipmunk has also been known to rear its young in a nest in a hollow tree .