Crossword Genius

Girls at hen party are human beings, if viewed from afar (10)

Ross

I believe the answer is:

earthlings

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

'human beings if viewed from afar' is the definition.
I can't judge whether this definition defines the answer.

'girls at hen party' is the wordplay.
'party' indicates an anagram (I've seen 'parties' mean this (the letters move or party around)).
'girls'+'at'+'hen'='girlsathen'
'girlsathen' anagrammed gives 'EARTHLINGS'.

'are' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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