Jeff Skrentny:
Royal Tern LaSalle Lk 090709 IMG_0454
Jeff Skrentny:
Laughing Gull, Carlyle Lake, Clinton County, July 2009 IMG_0651
Jeff Skrentny:
Black Tern juvenile LaSalle Lake Sept 2009 IMG_1644
Jeff Skrentny:
Herring Gull (first cycle) Hosah Park IBSP Sept 2009 IMG_2166
Jeff Skrentny:
Lesser Black-backed Gull Stateline Beach Oct 2009 IMG_2512
Jeff Skrentny:
Lesser Black-backed Gull IBSP SU Nov 2009 IMG_2932
Jeff Skrentny:
Great Black-backed Gull (1st winter) Stateline Beach Nov 2009 IMG_2954
Jeff Skrentny:
Bonapart's Gull Carlyle Pt 18 Nov 2009 IMG_2986
Jeff Skrentny:
Bonaparte's Gull Carlyle Nov 2009 IMG_2988
Jeff Skrentny:
Iceland Gull (first winter) NPMarina GF Feb 2010 IMG_4189
Jeff Skrentny:
Thayer's GullI (adult) NPMarina GF Feb 2010 MG_4202
Jeff Skrentny:
Thayer's GullI (adult) & Herring Gull (first winter) NPMarina GF Feb 2010 IMG_4204
Jeff Skrentny:
Glaucous Gull (first winter) NPMarina GF Feb 2010 IMG_4219
Jeff Skrentny:
Glaucous Gull (first winter) NPMarina GF Feb 2010 IMG_4221
Jeff Skrentny:
Glaucous Gull (first winter) NPMarina GF Feb 2010 IMG_4226
Jeff Skrentny:
Thayer's Gull (winter adult) light eye NPMarina Feb 2010 IMG_4275
Jeff Skrentny:
Iceland Kumlien's Gull (first winter) & Thayer's Gull (winter adult) NPMarina Feb 2010 IMG_4288
Jeff Skrentny:
Iceland Kumline's Gull (first winter) in flight NPMarina Feb 2010 IMG_4291
Jeff Skrentny:
Iceland Kumline's Gull (first winter) NPMarina Feb 2010 IMG_4297
Jeff Skrentny:
Great Black-backed Gull (second winter) NPMarina Feb 2010) IMG_4307
Jeff Skrentny:
Great Black-backed Gull (second winter) landing NPMarina Feb 2010 IMG_4310
Jeff Skrentny:
367-Ring-billed Gull (late winter adult) Waukegan Harbor Lake County IL February 2010 Jeff Skrentny FB0215 IMG_4319
Jeff Skrentny:
Iceland Kumlien's Gull (winter adult) Waukegan Beach Feb 2010 IMG_4329
Jeff Skrentny:
Caspian Tern Montrose Beach Chicago IL May 2010 Jeff Skrentny IMG_5579
Jeff Skrentny:
389-Sandwich Tern 63rd Street Beach Chicago Cook County September 2010 Jeff Skrentny IMG_9128
Jeff Skrentny:
389-Sandwich Tern 63rd Street Beach Chicago Cook County September 2010 Jeff Skrentny IMG_9133
Jeff Skrentny:
389-Sandwich Tern 63rd Street Beach Chicago Cook County September 2010 Jeff Skrentny IMG_9149
Jeff Skrentny:
389-Sandwich Tern 63rd Street Beach Chicago Cook County September 2010 Jeff Skrentny IMG_9150
Jeff Skrentny:
395-Parasitic Jaeger (juvenile) Montrose Beach Chicago Cook County IL October 2010 Jeff Skrentny IMG_9526
Jeff Skrentny:
395-Parasitic Jaeger (juvenile) Montrose Beach Chicago Cook County IL October 2010 Jeff Skrentny IMG_9531
