Bird with aquiline features (5)

I believe the answer is:

eagle

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'bird' is the definition.
(eagle is a type of bird)

I cannot understand how the rest of the clue works.

(Other definitions for eagle that I've seen before include "Symbolic American bird" , "It may soar" , "A glee-ful bird?" , "High-flyer" , "born hunter" .)

I've seen this clue in the Evening Standard.

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