Possible Clues:

• Aquatic bird
• Beach bird
• Marine bird
• Kay Boyle's Chekhovian bird
• Beach scavenger
• I take 1 across: beast who does so is about to pull up
• Shore squawker
• Coastal bird
• Chekhov's Nina said that a man came along, saw it and killed it, just to pass the time
• Bird paradoxically fond of landfill sites