photo from theremina
"I think I’ve caught a mouse," said Gwyn.
Gwyn came down the ladder. He held out the cage. Inside was a hard-packed ball of bones and fur.
"I think it’s a mouse," he said. "Owls aren’t fussy. They just swallow straight off, and what they don’t want they cough up later. That’s an owl’s pellet: but I think it was a mouse."
- from The Owl Service, by Alan Garner (1967)