Possible Clues:

• Bird wing's half breaking nut
• Large bird with pouch in bill for storing fish
• A pencil is needed to portray a bird
• Bird's place in formation
• Tropical bird in place specially constructed for it
• With Big Bill I am able to get to the bottom of it
• A symbol of Louisiana
• Aquatic bird with pouch
• ___ Island National Wildlife Refuge, in Florida
• For fish-eater, plaice souffle: nice starter