Mystery Egg

Mystery Egg

Observation - Mystery Egg. Description: Found on path next to my doorstep. I am guessing that the cat has brought me a present. Only been interested in birds for the last year and am so utterly clueless when it comes to eggs. What is it and why is it at my doorstep?

Found on path next to my doorstep. I am guessing that the cat has brought me a present. Only been interested in birds for the last year and am so utterly clueless when it comes to eggs.

What is it and why is it at my doorstep?