Possible Clues:

• Bird going after black dog
• Dog beginning to bother bird
• Tricolor pooch
• With short legs it can't catch one with long wings at last
• HMS —, Darwin's ship
• Even with such short legs it will be able to fly at last
• Hound breed
• Hunting dog followed on foot
• Breed of dog in a glebe
• Cut the head off its short legs so as to give it wings