[header] How to catch a duck [title] Put a small bowl of dog food outside. [step] Fill up a small bowl with wet or dry dog food and place it outside near where the duck typically stays. You can use dry food, or you can wet it a bit with water. 
[substeps] If the duck is injured, it's best to use wet dog food so the duck will get some water and avoid dehydration. You can also put out a bowl of water for an injured duck to get rehydrated.