Canadensys: University of Alberta Museum of Zoology
Canadensys, operated from the Université de Montréal Biodiversity Centre
"B1338 - Empidonax hammondii, University of Alberta Museum of Zoology - Ornithology Collection." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/23-31191. Accessed 26 Mar. 2025.