What is this?

What is this?

Observation - What is this?. Description: This is another photo of the animal I wish to identify. It was found in my horses field. I tried to put it on with the other picture but couldnt fiqure out how so have put them both on again. It was approx 40-50cm long with long looking back legs and shor

This is another photo of the animal I wish to identify. It was found in my horses field. I tried to put it on with the other picture but couldnt fiqure out how so have put them both on again. It was approx 40-50cm long with long looking back legs and shortish fronts. It was quite decomposed.