Family Species Period Authority 



Scleoglaux albif acies Laughing Owl .... 25 days 42 



Barred Owl 21-28 days 44 



Syrnium aluco Tawney Owl 21 days 1 



Cryptoglaux arcadia arcadia Saw-whet 



Owl 21? days 3 



Saw-whet Owl 21 ? days 44 



Otus asio asio Screech Owl 21-26 days 3 



Screech Owl 21 days 44 



Screech Owl 25 days 67 



Screech Owl 22 days 57 



Macf arland's Screech Owl 21-28 ? days 44 



Bubo virginianus virginianus Great-horned 



Owl 28-30 days 3 



Great-horned Owl "probably about 4 weeks" 57 



Great-horned Owl 21-28 days 44 



Bubo virginianius pallescens Western 



Horned Owl 28 days 3 



Western Great-horned Owl 28 ? days 44 



Bubo virginianius pacificus Pacific Horned 



Owl 28 days 3 



Bubo turcomanus Turkman Uhu 27-33 days 9 



Bubo Ignavus Eagle Owl 21 to 24 days 1 



Nyctea scandiaca Snowy Owl 32 days 1 



Speotyto cunicularia hypoga?a Burrowing 



Owl 21-28 days 3 



Burrowing Owl 21 ? days 44 



Athene noctua Little Owl 14 to 16 days 1 



Micropallas whitneyi Elf Owl 14 days 3 



Elf Owl .' 14? days 44 



Caprimulgidae 



Antrostomus vocif erus Whip-poor-will. . . 17 days 3 



Chordeiles virginianus Nighthawk. 16 to 18 days 3 



Chordeiles virginianus Nighthawk. "a fortnight" 1 



Caprimulgus europaeus Nightjar 15 days 1 



Trochilidae 



Trochilus colubris Ruby-throated Hum- 

 mingbird 10 days 1 



Trochilus colubris Ruby-throated Hum- 

 mingbird 14 days 188 



Trochilus colubris Ruby-throated Hum- 

 mingbird 14 days 65 



Trochilus colubris Ruby -throated Hum- 

 mingbird 15 days 179 



Archilochus. colubris Ruby-throated 



Hummingbird 14 days 3 



Archilochus alexandri Black-chinned 



Hummingbird 13 days 3 



94 



