A line art drawing of a western grebe by Bob Hines for the US Fish and Wildlife Service. Source URL:http://www.fws.gov/pictures/lineart/bobhines/westerngrebes.html aechmophorus aechmophorus 蓟马 鸟 西部鸊鷉 3
A line art drawing of a western grebe by Bob Hines for the US Fish and Wildlife Service. Source URL:http://www.fws.gov/pictures/lineart/bobhines/westerngrebes.html aechmophorus aechmophorus 蓟马 动物 西部鸊鷉 2
A line art drawing of a western grebe by Bob Hines for the US Fish and Wildlife Service. Source URL:http://www.fws.gov/pictures/lineart/bobhines/westerngrebes.html aechmophorus aechmophorus 蓟马 鸟 西部鸊鷉