Linger around top end of park, overlooking one wild animal (6)

I believe the answer is:

wapiti

I'm a little stuck... Click here to teach me more about this clue!

'wild animal' is the definition.
'wapiti' can be an answer for 'animal' (I've seen this before). I'm not certain of the 'wild' bit.

'linger around top end of park overlooking one' is the wordplay.
'linger' becomes 'wait' (I've seen this in another clue).
'around' indicates putting letters inside.
'top end of' indicates taking the first letters.
'overlooking' says to put letters next to each other (in a down clue, some letters go above others).
'one' becomes 'i' (Roman numeral).
The first letter of 'park' is 'p'.
'wait' placed around 'p' is 'wapit'.
'wapit'+'i'='WAPITI'

Can you help me to learn more?

(Other definitions for wapiti that I've seen before include "Animal" , "Large N. Am. red deer" , "Red deer - I paw it (anag)" , "Deer with much-branched antlers" , "North American native" .)

I've seen this clue in The Guardian.

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