Swamp critter (4)

'swamp critter' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for croc that I've seen before include "Dangerous reptile" , "Small reptile" , "Long-tailed reptile (abbr)" , "African beast; sounds like piece of pot" , "Fierce beast" .)
'swamp critter' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for toad that I've seen before include "Warty amphibian" , "species of amphibian" , "driver of reckless repute" , "Warty creature" , "Small amphibian" .)