Bird in kangaroo's territory (7)

I believe the answer is:

rooster

'bird' is the definition.
(rooster is a kind of bird)

'in kangaroo's territory' is the wordplay.
'in' indicates a hidden word.
'ROOSTER' is hidden within 'kangaroos territory'.

(Other definitions for rooster that I've seen before include "Male domestic fowl in USA" , "Bird that wakes up" , "So retro (anag.)" , "Farmyard fowl" , "American cock" .)

I've seen this clue in The Times.

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