Related Clues:

• Urge to action
• Mother ___ (nursery rhyme source)
• Golden-egg source
• N American diving bird
• Mallard, say, or eider
• Migratory aquatic bird
• Diving bird with wild cry - sounds crazy
• Fish-eating diving bird
• Insane person
• There's nothing in it for a quack
• Flies as it goes round around
• It's nothing at all for the bird to get down to it
• The bird might be a bit round the bend
• Step for March, iron for tailor
• Get down to what does not come to a score