Ledger of Bird Measurements (IMAGE)

Field Museum

Ledger of Bird Measurements

Caption

One scientist, Dave Willard, took the measurements of the 70,716 bird specimens in this study and recorded them by hand into ledgers like this. This photo shows one of Willard's ledgers, his measuring tools, and a Tennessee Warbler.

Credit

(c) Field Museum, Kate Golembiewski

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Please include credit: (c) Field Museum, Kate Golembiewski

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