Dead trees provide perches and homes for many birds. Grasses - provide shelter and seed. Dead trees - provide insect food, and hole nesting places. Pigeons, jays and wood ducks eat acorns. Alder - A favorite of siskins.
Redpolls feed on the seed, and warblers on the insects.
Beech - Seeds fall in autumn and attract finches. A favorite of chickadees, nuthatches and woodpeckers. Mountain Ash - Wood thrushes and waxwings eat red berries. Willows - Very rich in insects life providing about 250 species of insects for bird food. Also provides seeds in fall.