ADJ

great, large
small
beef, breeding, dairy
The farm has only a small dairy herd
cattle, elephant, etc.

HERD + NOUN

instinct

PREP

in a/the ~
The animals tend to graze in a herd
~ of
a large herd of cows

PHRASES

a member of a herd

ADJ

common

VERB + HERD

follow
If you feel so strongly, why follow the herd (= do the same as everybody else) ?
stand out from
She prided herself on standing out from the common herd (= being different from ordinary people)

HERD + NOUN

instinct