Colonial creatures, perhaps found to return in most nations (4)
I believe the answer is:
ants
'colonial creatures' is the definition.
'ants' can be an answer for 'creatures' (ant is a kind of creature). I'm unsure of the 'colonial' bit.
'found to return in most nations' is the wordplay.
'to return in' is a reversal indicator (I've seen 'returning in' mean this).
'found' indicates a hidden word.
'stna' is hidden in the letters of 'most nations'.
'stna' in reverse letter order is 'ANTS'.
'perhaps' is the link.
Can you help me to learn more?
(Other definitions for ants that I've seen before include "Six-foot insects" , "They live in a formicary" , "Industrious insects" , "Tiny insects that live in colonies" , "workers found returning" .)