steelbirder: Black-tailed Gull -
steelbirder: The tail end of the Black-tailed Gull
steelbirder: Black-tailed Gull with Ring-billed Gulls
steelbirder: Black-tailed Gull
steelbirder: Neil Hayward on the Black-tailed Gull
steelbirder: Black-tailed Gull
steelbirder: Black-tailed Gull
steelbirder: Ring-billed Gulls
steelbirder: Black-tailed Gull Watch Party