Because they stick together and have solidary and a common purpose (feeding, social structuring, mating). Once that purpose is complete, they become more solitary.
Collective nouns for turkeys are:a brood of turkeysa clutch of turkeysa crop of turkeysa dole of turkeysa dule of turkeysa flock of turkeysa gang of turkeysa herd of turkeysa mob of turkeysa muster of turkeysa posse of turkeys (wild males)a raffle of turkeysa raft of turkeysa rafter of turkeysa run of turkeys (wild)a school of turkeysOn the lighter side : Our forebears would have called them "Thanksgiving Day"!
The possessive form is posse's.
Yes, the noun 'posse' is a standard collective noun for:a posse of policea posse of sheriffsa posse of turkeysa posse of posersIn recent times I've also heard the term a posse of paparazzi.
The noun 'posse' is a standard collective noun for:a posse of policea posse of sheriffsa posse of turkeysa posse of posersIn recent times I've also heard the term a posse of paparazzi.
The posse rode out to search for the escaped prisoner.
A rafter of turkeys.
B.Brown Posse was created in 1992.
Abel Posse was born in 1934.
Magyar Posse was created in 1999.
Amelie Posse died in 1957.
Amelie Posse was born in 1884.
Posse from Hell was created in 1961.