Flock, paddling, raft, team or brace of ducks.
* A brace is two ducks. Also a safe of ducks (on land)
A badelynge is an archaic term for a group of ducks on the ground.
A group of ducks on water is called a raft while a group of ducks flying is called a skein or a team.
A paddling of ducks, a raft of ducks, a team of ducks, a dopping of ducks
Ducks in flight are a flock. Ducks on the ground are a badling. Ducks in the water are a raft, team or paddling
Ducks
A single baby duck is called a duckling, now make that plural. A group of ducks, however, is called a balding.
ducks and gaggle
A group of ducks is called a flock.
This link will give you many including raft and flock. http://www.ask.com/pets-animals/group-ducks-called-b01f5dc2e39a782b
Ponyboy is a chick in a group of ducks
I do not know about a "crate" of ducks, but a group of many ducks is called a gather I think. Check out a few more answers too.
Yes, the plural noun 'flocks' is a standard collective noun for two or more groups of ducks.The collective nouns for ducks are:brace of ducks (applies to birds, in general)flock of ducks (applies to birds on the ground, in general)flight of ducks (applies to birds in the air, in general)flush of ducks (a brood)badelynge or badling of ducks (applies to ducks on the ground)paddling of ducks (applies to ducks in the water)raft of ducks (applies to ducks in the water)team of ducks (applies to ducks in the water)