By grrlscientist on November 19, 2007. tags: Swainson's Hawk, Buteo swainsoni, birds, Image of the Day Swainson's Hawk, Buteo swainsoni, in flight. Image: Justawriter [wallpaper size]. Tags birding image of the day ornithology birds Buteo swainsoni swainson's hawk birding image of the day ornithology More like this Swainson's Hawktags: birds, Swainson's Hawk, Buteo swainsoni Mystery Bird: Swainson's Hawk, Buteo swainsonitags: Swainson's Hawk, Buteo swainsoni, Birds in the News 107tags: Birds in the News, BirdNews, ornithology