# Blue Yellow Back Warbler

- By: John James Audubon (American, 1785 - 1851)
- Date: 1812
- Medium: watercolor and gouache over graphite
- Classification: Drawing
- Dimensions: sheet: 36.2 × 27.7 cm (14 1/4 × 10 7/8 in.)
- Culture: American
- Credit line: Collection of Mr. and Mrs. Paul Mellon
- Museum: [National Gallery of Art](https://www.nga.gov/collection/art-object-page.66468.html)
- Rights: [Public domain (NGA Open Access, CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://api.nga.gov/iiif/6cc7d342-7abd-4a4b-9e2b-20d95b60e7d1/full/!1920,1080/0/default.jpg
- Who can see it: Little Ones profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)