This is a tricky one, because *right* and *legal* may not be the same thing for this duckling. Would it have been good to turn it over to a rehab center on day 1 so it could've been integrated into a flock and actually know that it's a duck? Absolutely! Water under the bridge, that didn't happen. This duck is imprinted on humans. Would anyone on here advocate releasing an imprinted duck into the wild....no. Unfortunately, things aren't always black and white and this is no exception. Can the duck forage? Bc my two imprinted girls don't unless I provide the forage. They ignore natural forage growing from the ground completely, etc. I could not and would not ever release them, it would be a certain death sentence. They have no fear of humans, cats, dogs, etc. Mine are domestic ducks, but at the end of the day, an imprinted duck is an imprinted duck. Very tough call to make. Good luck!