From Discworld MUD Wiki
Owl feathers are a feather from any part of an owl, and are used as a non-consumed component in the making of intelligence tea.
You can get an owl tail feather from:
- The old tree in the Scrogden farm (near Ethel Applebaum's cottage), after making Hughoc Gatewood fix the swings
Owls can be found in the following locations: