Cliff Swallow
Petrochelidon pyrrhonota
 (L 5.5" WS 12.5" Wt 0.74 oz)
Plentiful in Western No. America
...less so in the East.
San Francisco Bay
area, CA
23July04
It‘s surely summer. for there’s a swallow:
  Come one swallow, his mate will follow,
    The bird race quicken and wheel and thicken.
       (Christina Georgina Rossetti, A Bird Song)
I-M Canal, IL
19Jul09
note the short tail