license: This image is a derivative work of the following images: File:Beaver_1_(PSF).png licensed with PD-ScottForesman 2008-09-13T00:43:44Z Editor at Large...
Derivative works of this file: Beaver 1 (PSF)(retouched).png English determination method: SHA-1...
I, the copyright holder of this work, hereby publish it under the following license: English Line art drawing of a beaver determination method: SHA-1...