He was a smart, tough old bird, and too good to waste on retirement.
It's been an impossible day, even for a tough little bird like you.
She's always seemed like a tough old bird to me.
Jim is a tough bird and I like those kinds of people.
She seemed pleased to be related to such a tough bird.
The principal was a tough old bird, rather attractive as I think back now, and well respected.
Of course, we should murder him first, but he is a tough bird.
"I was hoping some more of these tough birds would turn up and we'd make a bigger haul."
There's plenty of tough birds that are ready to take a shot at him.
Us tough old birds got to stick together, you know.