“Empidonax difficilis” by Edgar A. Mearns (12 Oct 1892) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Empidonax difficilis

Edgar A. Mearns

Title	Empidonax difficilis
Artist	Edgar A. Mearns
Date	12 Oct 1892 19th century
Medium	Skin: Whole
Origin	San Pedro River, Mexican Boundary Line, Mexico, North America San Pedro River
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-06