Every cat I've ever known struggles with actually killing frogs. Their lack of a clearly-defined neck for the cat's preferred coup de gráce is the reason, apparently.
Talking of frogs.
When listening to the latest Mince whilst driving, I had to pull into a layby to have a crying laugh.
The line during the Slaughterhouse sketch "my ringpiece is pulsating like a frog's cheek"
“Other clubs never came into my thoughts once I knew Arsenal wanted to sign me.”