Answer:

nebs

Answer	Crossword Clue
NEBS	Birds' beaks
NEBS	Bills
NEBS	Beaks

NEBS	Birds' bills
NEBS	Cardinals' beaks
NEBS	Bills on birds
NEBS	Robins' beaks
NEBS	Bird beaks
NEBS	Beaks.
NEBS	Snouts.
NEBS	Tips.

NEBS	Animal snouts.
NEBS	Bills.
NEBS	Bird's beaks.
NEBS	Birds' beaks.
NEBS	Tips
NEBS	Tortoises' beaks
NEBS	Bird bills
NEBS	Anterior elongations of an animal's head

NEBS	Bird's beaks
NEBS	Pointed ends
NEBS	Pen points