small outline little lineart animal rodent porcupine Porcupine Rodent clip art 豪猪 啮齿动物 黑色和白色 豪猪啮齿动物剪贴画
mouse rat lab animal scientific rodent sprague dawley rattus-norvegicus rattus norvegicus research Sprague Dawley clip art 斯普拉格 基质 鼠标大鼠实验室动物科学灭鼠斯普拉格基质褐褐褐家鼠研究
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 哺乳动物 啮齿动物 几内亚猪
small outline dog little line lineart art animal rodent prairie Prairie Dog clip art 草原 动物 啮齿动物 草原土拨鼠剪贴画