Annotated facts courtesy of the website All About Birds, by the Cornell Lab of Ornithology.
From the taxidermy collection at Wargo Nature Center, Centerville, MN.
There are three sound recordings of different meadowlark song with this mode by Robert C. Stein, and two by Geoffrey Keller, courtesy of the Macaulay Library at the Cornell Lab of Ornithology.
137 images, processed with Agisoft Photoscan. (Update: added more images to capture missing area.)
A full collection of animal scans can be found here: https://sketchfab.com/tauricity/collections/wargo-nature-center-scans