Duck in Dorset surprisingly sat on a perch (7)

I believe the answer is:

roosted

'sat on a perch' is the definition.
(I've seen this in another clue)

'duck in dorset surprisingly' is the wordplay.
'duck' becomes 'o' (resembles zero - 'duck' in cricket).
'in' is an insertion indicator.
'surprisingly' is an anagram indicator (a surprising ordering of the letters).
'dorset' anagrammed gives 'rosted'.
'o' inserted inside 'rosted' is 'ROOSTED'.

(Another definition for roosted that I've seen is " settled".)

I've seen this clue in The Times.

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