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Because the rabbiting duck lives there (the two form a close symbiosis). Rabbiting ducks catch small shellfish and water insects, and the quaking frogs follow them, scavenging the leftovers. Quaking frogs are beneficial to the ducks because the frogs also prey on a type of aquatic parasite that sometimes attacks the ducks. Additionally, the quaking frogs' croaks ward off most major predators of the rabbiting ducks.

Quaking frogs have also been known to form a similar symbiosis with creaking ducks, a relative of the rabbiting ducks.

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13y ago

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