This group of greater yellowlegs (Tringa melanoleuca_) has at least one interloper. Can you spot the lesser yellowlegs (_Tringa flavipes)? Reifel Bird Sanctuary, BC, 21 Sep 2009.
Canon Rebel XSi
Canon EF 70-200mm f/4L USM
Canon EF 1.4x II Extender
1/320, f/8, -1/3, ISO 500, 280mm, hand held
Reifel Bird Sanctuary, BC, 21 Sep 2009.