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by Greg Lavaty
| ![Cassin's Vireo](https://a4.pbase.com/g9/01/618801/3/146310839.dffr4uuF.jpg) Cassin's Vireo
by Dennis Ancinec
| ![Cassin's Vireo](https://a4.pbase.com/g1/43/853543/3/115133499.kArOS9qh.jpg) Cassin's Vireo
by Greg Gillson
| ![Cassin's Vireo](https://a4.pbase.com/g12/98/983098/3/169994394.DecA1oae.jpg) Cassin's Vireo
by Ken Williams
| ![Cassin's Vireo](https://a4.pbase.com/g13/19/698019/3/174281301.7f7b9946.JPEG) Cassin's Vireo
by Adam Wood
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by Paul Higgins
| ![Vireo, Cassin's](https://a4.pbase.com/g1/14/728114/3/146036798.ZYnM6HPs.jpg) Vireo, Cassin's
by Paul Higgins
| ![Another mystery vireo](https://a4.pbase.com/g3/83/612483/3/124137778.PYW67S4v.jpg) Another mystery vireo
by Nick Komar
| ![TX Trip Jan. 2009](https://a4.pbase.com/g1/37/349837/3/108849045.dkS2mMr3.jpg) TX Trip Jan. 2009
by Michael Todd
|