For many years the Puget Sound Bird Fest at Edmonds has had a program of children dissecting sanitized owl pellets under supervision.  The pellets were provided by a senior member of the Pilchuck Audubon Society, so I am sure they were legal.

Bill Anderson; Edmonds, WA.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20201201/b71f5582/attachment.html>