Gaggle     A group of geese on the ground
Skein, Team, Wedge     Geese in flight
Team 
 Plump      When flying very close together
So it can be in a gaggle  a skein a team a wedge or a plump
Are geese smarter than ducks?
Swans are distantly related to geese and are thought boe appreciably smarter than ducks or chickens but how do test that?
Would you give up DUCKS SUCK for LOOSEY GOOSEY and MOTHER GOOSE? It isn't Mother Duck you for a reason.