May 17, 2016 COD/2016_05_17  May 19, 2016 Danada Forest Preserve, IL   CHICAGO/2016_05_20 May 20, 2016
(Mallard) pair calling flight
Mallard
pair calling flight
Anas platyrhynchos
facebook		 (Least Sandpiper) flying
Least Sandpiper
flying
Calidris minutilla
facebook		 (Semipalmated Sandpiper) feeding
Semipalmated Sandpiper
feeding
Calidris pusilla
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New
 (Semipalmated Sandpiper) walking
Semipalmated Sandpiper
walking
Calidris pusilla
(American Herring Gull) decapitates fish
American Herring Gull
decapitates fish
Larus smithsonianus
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New
 (American Herring Gull) swallows fish
American Herring Gull
swallows fish
Larus smithsonianus
facebook		 (Northern Rough-winged Swallow) perching
Northern Rough-winged Swallow
perching
Stelgidopteryx serripennis

Peter 2.0 root Root inaturalist 7 photos this page; 2 new species.
 CC BY 4.0 photographer: Peter Chen 2.0