RMBS Riverlands Migratory Bird Sanctuary St. Charles county MO.
juvenile Osprey showing buff on linings and dark eye:

American Kestrel w/Midland Brown Snake: 

American Pipit per Sibley "Arctic breeders are darker and more heavily streaked"

NON-BIRD Mink w/Bullfrog:
 mesial webbed feet (semi-palmated)
Swamp Sparrow 1st fall, golden start of buff eyeline: 

TGP Tower Grove Park St. Louis City MO.
Common Nighthawk

Lincoln's Sparrow

Classic fall warbler challenge. (see Sibley Guide for key)
dark legs; white edged primaries; buff under-tail coverts

Cape May Warbler
Bill Rudden
St. Louis MO
The Audubon Society of Missouri's Wild Bird Discussion Forum
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