
1) Air mail at Hogworts 2) Are they slow to flap around 3) Avian hooters 4) Avian screechers 5) Avian symbols of wisdom 6) Barn and screech 7) Barn birds 8) Barn denizens 9) Barn-dwelling birds 10) Big-eyed birds 11) Big-eyed fliers 12) Birds in barns 13) Birds of minerva 14) Birds of prey 15) Birds slow in movement
Found on
https://www.crosswordclues.com/clue/owls

1) Hooters 2) Hters 3) Strigiformes
Found on
https://www.crosswordclues.com/clue/owls

OWLS is a mnemonic used by general aviation airplane pilots to assess an unprepared surface for a precautionary landing. Like all mnemonics this check has become part of aviation culture and folklore. OWLS: ...
Found on
http://en.wikipedia.org/wiki/OWLS
No exact match found.