Do birds like windy days?

[jsharr]

I think they do.

Discus

[Road Runner]

Only if they have a tail wind.

[Further]

I watched a red wing black bird fly in place for at least a minute, fighting the same wind I was fighting on the bicycle. I think the bird was about as happy as me.

[maddmaxx]

Hawks do.  It gives them more choices of finding lift from wind currents rising over hills etc.  They can glide longer with less effort.