The French doctors are known for their friskiness (5)

I believe the answer is:

lambs

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

'known for their friskiness' is the definition.
I can't judge whether this defines the answer.

'the french doctors' is the wordplay.
'the french' becomes 'la' ('the' in French).
'doctors' becomes 'MBs' (Bachelors of Medicine).
'la'+'mbs'='LAMBS'

'are' is the link.

Can you help me to learn more?

(Other definitions for lambs that I've seen before include "Young sheep" , "See 17" .)

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

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