A line art drawing by Bob Hines for the US Fish and Wildlife Service. Source URL: http://www.fws.gov/pictures/lineart/bobhines 魚 鳥 魚類 鷗 4
A line art drawing by Bob Hines for the US Fish and Wildlife Service. Source URL: http://www.fws.gov/pictures/lineart/bobhines 動物 魚 鳥 鷗 1b
A line art drawing by Bob Hines for the US Fish and Wildlife Service. Source URL: http://www.fws.gov/pictures/lineart/bobhines 動物 魚 鳥 鷗 1a
A line art drawing by Bob Hines for the US Fish and Wildlife Service. Source URL: http://www.fws.gov/pictures/lineart/bobhines 魚 鳥 魚類 鯡魚鷗簡單