African Bullfrog in my garden?

[kenderdine]

<a href="http://s526.photobucket.com/albums/c...1403100001.jpg" target="_blank"><img src="http://i526.photobucket.com/albums/c...1403100001.jpg" border="0" alt="Photobucket"></a>

My cat has just brought this frog into the kitchen, please could someone identify it?!

[Kurt]

I am leaning towards one of the ridged frogs, it's most likely Ptychadena uzungwensis (Loveridge, 1932).