Dinerstein, Eric, David Olson, Anup Joshi, Carly Vynne, Neil D. Burgess, Eric Wikramanayake, Nathan Hahn, et al. “An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm.” BioScience 67, no. 6 (June 1, 2017): 534–45. https://doi.org/10.1093/biosci/bix014.
Gao, Linqiang, Chunrong Mi, and Yumin Guo. “Expansion of Sandhill Cranes (Grus Canadensis) in East Asia during the Non-Breeding Period.” PeerJ 7 (August 30, 2019): e7545. https://doi.org/10.7717/peerj.7545.
GBIF.Org User. “Occurrence Download.” The Global Biodiversity Information Facility, 2024. https://doi.org/10.15468/DL.4G5CSJ.
“Gettysburg Times - Google News Archive Search.” Accessed October 18, 2024. https://news.google.com/newspapers?id=LG0mAAAAIBAJ&pg=620,2790721&dq=point+pleasant+roger+scarberry&hl=en.
Robinson, Diana. Sandhill Cranes on a Snowy Sand Bar in the Platte River in the Early Morning near Wood River, Nebraska. March 15, 2017. Photo. https://www.flickr.com/photos/dianasch/33635877112/.
“Sandhill Crane | Audubon Field Guide.” Accessed October 18, 2024. https://www.audubon.org/field-guide/bird/sandhill-crane.
“Sandhill Crane in Europa - Kraniche (En).” Accessed October 18, 2024. https://www.kraniche.de/en/news/sandhill-crane-in-europa.html.
Sonja. 2011 Mothman Festival. September 17, 2011. Photo. https://www.flickr.com/photos/8308527@N02/6157131508/.