Moment From The Birds

Crows attack the students
The students try to quietly leave the school, but once they start running the crows who were gathering in the playground attack the fleeing children.
Chic socialite Melanie Daniels enjoys a passing flirtation with an eligible attorney in a San Francisco pet shop and, on an impulse, follows him to his hometown bearing a gift of lovebirds. But upon her arrival, the bird population runs amok. Suddenly, the townsfolk face a massive avian onslaught, with the feathered fiends inexplicably attacking people all over Bodega Bay.
Tags: pet shop, seclusion, playground, seagull, fireplace, bird attack, socialite, based on short story, practical joke, schoolteacher, lovebird, shopkeeper, unsolved mystery, schoolhouse