Stories on the Shropshire Star website tend to acquire more detail a day or two after they have been posted so I checked again. It now informs us:
So if anything, the mystery deepens.
A West Mercia Police control room spokeswoman said: “The ostrich came out of nowhere and collided with a vehicle. Minor damage was caused to the car, but sadly the ostrich died.
“It is believed the ostrich came from a local farm or residential property.