Yes, they strip like turkey.  And like Pat mentioned, they can be plumped up with a little moisture (turkey, goose, whatever) to make them strip easier.  
I set a teakettle on the stove and get a good hot stream of steam blowing out the spout and I drag the feathers back and forth thru that before stripping.  Feathers that look ruined often plump and straighten out nicely.