https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/4028879Edit ImageSaveSaveEditCropCustom TextMonarch caterpillar on milkweedMilkweed is the nursery for caterpillars who only eat this plant and the flowers are a nectar source for adults. If this nursery goes away, the population declines.Photo by Bradly Potter/USFWS. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 900 x 1200 px | 300 dpiLarge JPEG 2625 x 3500 px | 300 dpiBest Quality JPEG 3024 x 4032 px | 300 dpiFree DownloadMonarch caterpillar on milkweedMilkweed is the nursery for caterpillars who only eat this plant and the flowers are a nectar source for adults. If this nursery goes away, the population declines.Photo by Bradly Potter/USFWS. Original public domain image from FlickrMore