A woodpecker holds an acorn that was stored in a rain gutter at a home in Walnut Creek, Calif. The birds have damaged houses and other buildings, and some area residents want to cull the bird population. (Wally Skalij / Los Angeles Times)
Acorns can be seen in holes in a window frame damaged by woodpeckers in Walnut Creek, Calif. (Wally Skalij / Los Angeles Times)
Resident Earl Orum inspects damage to a residence caused by woodpeckers in Walnut Creek, Calif. (Wally Skalij / Los Angeles Times)
Damage can be seen below a window on a home in Walnut Creek, Calif. (Wally Skalij / Los Angeles Times)
Window frame damage, caused by woodpeckers, on a home in Walnut Creek, Calif. (Wally Skalij / Los Angeles Times)
A woodpecker flies away with an acorn that was stored in a rain gutter on a home in Walnut Creek, Calif. (Wally Skalij / Los Angeles Times)
