egg thief

I left the basket of eggs on the kitchen steps this morning while I went inside to turn off the whistling teakettle.

It looked like this:

When I came back just a moment later, the basket looked like this:

One egg was missing. It didn't take me long to find it, but the egg looked like this:

 Can you see the toothmark?
It also didn't take long to find the culprit.
Ten minutes later, he is still looking guilty and avoiding eye contact:

 We have an egg thief in the house.