Nope ... I can't see any cat climbing that little bush .. my guess is that the rat was more probably dropped by a bird of prey.
PB
Bt3, do you have a licence to photograph schedule 1 type birds in breeding season? Sticking a flash in a baby birds face is illegal, and downright irresponsible!! I'm sorry, but I have very strong feelings about this!! No wonder a baby has been kicked out the nest, it's probably because it's been disturbed!!
That's a shame, I thought it was a fair question!
He probably 'can't be arsed' about the welfare of the birds he's been poking about either. Very sad. It's a shame as I've been a big fan of his photos, including his urbex stuff on Flickr, but this is something else! His attitude speaks volumes. What he's done is an arrestable offence.