herd instinct

13 LETTERS · STARTS WITH H

herd instinct is a valid 13-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4E1R1D2I1N1S1T1I1N1C3T1
4 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does herd instinct mean?

1