Jeff Skrentny:
Northern Rough-winged Swallows Chain-O-Lakes SP Lake County IL May 2010 Jeff Skrentny IMG_5518
Jeff Skrentny:
Tree Swallow Chain-O-Lakes SP Lake County IL May 2010 Jeff Skrentny IMG_5525
Jeff Skrentny:
664-Northern Rough-winged Swallow (adult) Golf Course Pond Montrose Chicago Cook County IL April 2013 Jeff Skrentny FB0423 IMG_1015
Jeff Skrentny:
665- Northern Rough-winged Swallow (Stelgidopteryx serripennis) Burnham Prairie Marsh Cook County IL April 2014 Jeff Skrentny IMG_2554
Jeff Skrentny:
- Cliff Swallow - at nests (Petrochelidon pyrrhonota) Royal Gorge Train Depot Cañon City Fremont County CO June 2012 Jeff Skrentny IMG_2750