A motorcyclist was seriously injured in a collision with a deer in Calverton.
Police were called to Middle Country Road near Manor Lane, just north of Splish Splash, around 8:30 p.m. Sunday.
That's where they say they found the motorcyclist laying in the road.
He was airlifted to Stony Brook University Hospital with serious injuries.
Police believe he collided with a deer in the roadway.
Anyone who witnessed the crash is asked to call Riverhead police at 631-727-4500, ext. 328.