Re: Secret is out
Ducks just bob along peacefully and then suddenly disappear completely by diving underwater for no apparent reason before popping up randomly a few feet away.
Err.. not mallards. They don't dive at all (what they do is called "dabbling" - which means their head is underwater but their tails are stuck up out of the water, pointing at the sky). Some ducks (crested ducks for example) do dive but not for very long.