Crossword Genius

Follow a noisy animal - to its earth presumably (3,3)

Ross

I believe the answer is:

dog fox

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'its earth presumably' is the definition.
I can't tell whether this definition defines the answer.

'follow a noisy animal' is the wordplay.
'follow' becomes 'dog' (dog can mean to follow or torment).
'a noisy' becomes 'f'.
'animal' becomes 'ox' (castrated bull).
'dog'+'f'+'ox'='DOG-FOX'

'to' acts as a link.

Can you help me to learn more?

(Another definition for dog fox that I've seen is " Vulpine male".)

I've seen this clue in The Globe and Mail.
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