And insect-eating birds such as Indigo Buntings may be attracted to the caterpillars that milkweed supports.
Bird Notes: Some birds, like orioles and finches, use fibers from fluffy milkweed seeds to line their nests. Hummingbirds like to feed on milkweed. And insect-eating birds such as Indigo Buntings may be attracted to the caterpillars that milkweed supports.