Possible Clues:

• Like "bedknobs" and "broomsticks"
• Multiple, manifold
• Endless charm in friend, certainly not alone
• Form of a word used to denote more than one
• Sheep or cows, but not horse!
• As fish may be, but not bird or mammal
• Multiple
• Having more than one place on river
• Like “mice” and “men”
• Like animals or birds, but not necessarily fish