Images Filters Artist Artist... Andrew Jackson Grayson (1) Collection Collection... The Bancroft Library, University of California, Berkeley (1) Country Country... USA (1) Continent Continent... North America (1) Medium No options available Category Category... Flora & Fauna (1) Date No options available 1 matching result. Sort orderRelevanceOldest additions firstNewest additions firstOldest painted firstNewest painted first See results on a map View map Empidonax difficilis. Western Flycatcher (July 1859) + Add to album 1 Empidonax difficilis. Western Flycatcher (July 1859) Courtesy of Bancroft Library, University of California, Berkeley | Public Domain