The birds

The Birds is a 1963 American natural horror-thriller film produced and directed by Alfred Hitchcock. Loosely based on the 1952 story of the same name by Daphne du Maurier, it focuses on a series of sudden and unexplained violent bird attacks on the people of Bodega Bay, California, over the course of a few days.
In the early 1960s, at a San Francisco pet store, socialite Melanie Daniels meets lawyer Mitch Brenner who is looking to buy lovebirds for his sister Cathy's 11th birthday. Recognizing Melanie from her court appearance regarding a practical joke gone awry, Mitch pretends to mistake her for a shop employee. Mitch tests Melanie's knowledge of birds, which she fails. He discloses his prior knowledge of her and that his ruse was intended to make her appreciate being on the other end of a joke. Mitch leaves without buying anything. Finding him attractive, Melanie buys the lovebirds to make amends and drives to Bodega Bay after she learns Mitch has gone to his family's farm for the weekend. Melanie is directed to the local teacher, Annie Hayworth, to learn Cathy's name. Annie previously dated Mitch but ended it due to Mitch's cold, overbearing mother, Lydia, who dislikes any woman in Mitch's life.
Melanie rents a boat in town and crosses the bay to leave the lovebirds at the Brenner farm discreetly. Mitch spots Melanie during her retreat and drives into town to meet her at the dock. As Melanie approaches the wharf, a gull attacks her. Mitch tends her head wound inside the cafe. Lydia arrives, meets Melanie, and Mitch announces to Lydia that he is inviting Melanie to dinner. Melanie returns to Annie's house and asks to spend the night. At the farm, Lydia's hens are suddenly refusing to eat. Lydia expresses her disapproval of Melanie to Mitch due to her exaggerated reputation, as reported in gossip columns. Mitch calls Melanie and invites her to Cathy's birthday party being held the next day. Shortly after, there is a violent thud at Annie's front door. A dead gull is found at the threshold.
At Cathy's party, Melanie privately tells Mitch about her troubled past and her mother running off with another man when Melanie was Cathy's age. During a game, the children are attacked and some injured by gulls. Later that evening, as Melanie dines with the Brenners, sparrows swarm the house through the chimney. After, Mitch insists she delay driving back to San Francisco and stay the night. The next morning, Lydia visits her neighbor to discuss why their chickens will not eat. She discovers his eyeless corpse, pecked lifeless by birds, and flees in horror. As Lydia recovers at home, she fears for Cathy's safety, and Melanie offers to pick her up at school. As Melanie waits outside the schoolhouse, a large flock of crows slowly engulfs the jungle gym behind her. Anticipating an attack, she warns Annie. As they evacuate the children, the crows attack, injuring several children. Mitch finds Melanie at the restaurant. When gulls attack a gas station attendant, Mitch and several other men assist him outside. Spilled gasoline ignites, causing an explosion. During the escalating fire, Melanie and others rush out. More gulls attack, and Melanie takes refuge in a telephone booth. Mitch rescues her, and they get back inside the restaurant. A distraught woman blames Melanie for the attacks, claiming they began with her arrival.