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Unidentified or Hybrid Gulls


Age/Type Date Location Comments
2CY February 2011 Choshi, Japan Probable Glaucous x Glaucous-winged
2CY February 2011 Choshi, Japan Probable Vega x Glaucous
2CY February 2011 Choshi, Japan Probable Vega x Glaucous
2CY February 2011 Choshi, Japan ?? Poss GL x GW
2CY February 2011 Choshi, Japan ?? Poss GL x GW
Adult February 2011 Choshi, Japan Probable Slaty-backed x Glaucous-winged

CY = Calendar Year