Related Clues:
- Layers of song
- Skein makeup
- Grebes seen regularly, and other birds
- Fliers in a skein
- Christmas carol sextet
- 'Six __ a-laying ... '
- About to notice, for example, returning birds
- They're seen going south in the fall
- V-shaped fliers
- "Six __ a-laying ... "
- Backs, for example, holding witness with birds
- Fowlers' prey
- Canadian flyers
- "A-laying" birds of song
- Birds that cronk