Crossword Genius

In the country I am an unknown animal (4)

Ross

I believe the answer is:

ibex

'animal' is the definition.
(I've seen this before)

'in the country i am an unknown' is the wordplay.
'in the country i am' becomes 'I be' ('I be' is a regional dialect form of 'I am').
'an unknown' becomes 'x' (algebra).
'ibe'+'x'='IBEX'

(Other definitions for ibex that I've seen before include "Large-horned mountain goat" , "one seldom puts a foot wrong" , "Sure-footed type" , "being nimble-footed" , "Wild goat with double curved horns" .)

I've seen this clue in The Guardian.
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