Depends on the type of feathers anywhere between one pound and your a dumb s***.
Most unlikely unless it is saturated with water.
It depends on the size and type of the feather. On average, a small feather can weigh between 5-15 centigrams, while larger feathers can weigh up to 50 centigrams.
825,000
Silver quarters weigh 6.25 grams. Clad quarters weigh 5.67 grams.
250 grams
16 grams
About 5 grams.
1.5-2 grams
A large swallowtail may weigh 0.3 grams and smaller butterflies 0.04 grams. The Queen Victoria Birdwing may weigh 2-3 grams
A Guinea Fowl feather weighs on average 0.56699 grams.
26 grams
.99 Grams