gregarious

adjective4

1. •
   Who enjoys being in crowds and socializing.
2. •
   Of animals that travel in herds or packs.

   • The Fin-Back is not gregarious. He seems a whale-hater, as some men are man-haters. — 1851
3. •
   Growing in open clusters or colonies; not matted together.
4. •
   Pertaining to a flock or crowd.