MONTAUK, N.Y. (CBSNewYork/AP) — Authorities are looking for a man who threw rocks and killed a seagull on a beach on eastern Long Island.

Suffolk County SPCA head Roy Gross says the man was observed luring seagulls with bread on Saturday afternoon.

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Gross says the suspect was a guest at the Royal Atlantic Hotel in Montauk.

He says a rock the size of a brick was thrown at one of the seagulls and it began throwing up blood and bread.

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He says a woman walking along the beach captured it on video.

The SPCA is offering a $1,000 reward for information leading to the arrest and conviction in the case.

Recently, Gross says a swan was found impaled by an arrow and a turtle with a nail in its shell.

Have you seen anyone attacking seagulls before? Sound off in our comments section below…

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