Thank you! Hmm, you could well be correct there - I've been consulting Dr Google. Hopefully things settle as I'd struggle to work out which of my 'ladies' it is..
Hello everyone, I've been reading lots on here and there seems to be a lot of knowledge! This is my first post though. I found this hard thing in one of the nesting boxes one morning - does anyone have an idea what it could be? It is quite solid and I'm baffled! Thank you for reading