Crossword Genius

One who shows adulation, we hear, for the world of animals (5)

Ross

I believe the answer is:

fauna

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

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

'one who shows adulation we hear for the world' is the wordplay.
I cannot quite understand how this works, but
'one' could be 'un' (northern English dialect form of 'one') and 'un' is found in the answer.
This explanation may well be incorrect...

'of' is the link.

Can you help me to learn more?

(Other definitions for fauna that I've seen before include "(Region's) animal life" , "Region's animals" , "Animals of an area or period" , "list of animal life" , "Animal kingdom" .)

I've seen this clue in The Irish Independent.
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