Update 5 June 2018: Mum and kits ... arrived this evening. Kittens are about 5 days old and in the large cardboard box. You'll probably not see much of them just yet.
For more information about our cats make sure you check out the blog!
You can capture the webcam image by right clicking on it and selecting 'Save image as...'. If it's a particularly lovely picture, why not post it on Facebook or tweet it to your friends?