University of Illinois Museum of Natural History Ornithology Collection. Occurrence dataset (ID: 5f9acefe-d827-44b8-ae15-91e9680e7f1e) https://biocoll.inhs.illinois.edu/portal/content/dwca/UIMNH-O_DwC-A.zip accessed via the INHS Collections Data Portal, biocoll.inhs.illinois.edu/portal, 2026-06-13).