In a beaver valley
how beavers change the land.
Popularity 1
Relates how beavers build dams and lodges and the effect of one of their dams on the plants and animals of a valley.
BeaversJuvenile literaturePond ecology
how beavers change the land.
Relates how beavers build dams and lodges and the effect of one of their dams on the plants and animals of a valley.