Bird, better than birdie? (5)
I believe the answer is:
eagle
'better than birdie?' is the definition.
(as in golf scores)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for eagle that I've seen before include "It normally takes two or three shots to shoot this" , "Fine achievement on course" , "might one be bald?" , "part of round that's exceptional" , "Large bird of prey" .)