Not just any tool use either, New Caledonian crows can make and use hooks. That might not seem special, but the amount of planning it takes to make and understand how to use a hook to retrieve something hidden in a nook is much more sophisticated than figuring out that you can poke something in front of you with a sharp stick.
Birds can use tools.
A beak falls under “some kind of appendage”
Not just any tool use either, New Caledonian crows can make and use hooks. That might not seem special, but the amount of planning it takes to make and understand how to use a hook to retrieve something hidden in a nook is much more sophisticated than figuring out that you can poke something in front of you with a sharp stick.