The fish is thought to have chewed up and spit out some unlucky sea creatures, resulting in this unique fossil.

They eat the whole thing at once, bones, skin, fur and all, then regurgitate the remains that they can't digest into a "pellet". Did you ever dissect owl pellets in school? It was one of my kids ...

The special activity associated with the program this month was the dissection of owl pellets, which are small objects regurgitated by an owl to include indigestible items like bones or nails ...

This short film is from the BBC series, Evolutionwatch. Students could collect some owl pellets and identify the bones within the pellet (you may need external support with this). As a class ...