https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/321814Edit ImageSaveSaveEditCropCustom TextSevern River Flying Squirrel (Pteromys sabrinus) and Rocky Mountain Squirrel (Pteromys alpinus) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse Audubon (1812-1862). Original from The New York Public Library. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 933 x 1200 px | 300 dpiLarge JPEG 2721 x 3500 px | 300 dpiBest Quality JPEG 3802 x 4890 px | 300 dpiTIFF 3802 x 4890 px | 300 dpi | 106.4 MBFree DownloadSevern River Flying Squirrel (Pteromys sabrinus) and Rocky Mountain Squirrel (Pteromys alpinus) from the viviparous quadrupeds of North America (1845) illustrated by John Woodhouse Audubon (1812-1862). Original from The New York Public Library. Digitally enhanced by rawpixel.More