Auks flying into another bird (4)
I believe the answer is:
skua
'another bird' is the definition.
'skua' can be an answer for 'bird' (skua is a kind of bird). I am not sure about the 'another' bit.
'auks flying' is the wordplay.
'flying' indicates anagramming the letters.
'auks' anagrammed gives 'SKUA'.
'into' acts as a link.
Can you help me to learn more?
(Other definitions for skua that I've seen before include "Large brown seabird" , "Craziness" , "Large relative of the gull" , "Seabird; sounds like pin" , "Arctic seabird" .)