Thanks to Deb Beutler for offering these hints on voices:

> this flock of LARKS. LONGSPURS can be easily separated from H. LARKS by
> sound. Thier flight call is short, rapid and sounds like B-R-R-T. However,
> SNOW BUNTINGS make a somewhat similar call, but it is more musical and drawn
> out (they can be confused unless ou have experience with them). Listen for
> calls when a flock takes flight. A smaller flock of 50-60 HORNED LARKS was

Now: How do I tell the difference between Horned Lark and American Pipit as
they fly high overhead calling, sometimes visible and sometimes not?
--
Scott Richardson
Olympia, Washington
salix at halcyon.com