These little birds are from India and are closely related to their native wild foul. Originally they were the only good source of stiff dry fly hackle. -
PRIME- Very dry with good feather count. Ranges in size 10-20's. Lots of 14-16's.
#1's- Still very dry but not as many feathers as prime.
#2's- Wider hackle with some web, not as long or as stiff.