Source: Wikimedia Commons

This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain.
杜賓
animal、biology、black and white、dog、externalsource、line art、mammal、outline、pet、psf、wikimedia commons、zoology
動物、生物學、黑與白、狗、外部源、線條藝術、哺乳動物、大綱、寵物、PSF、維基媒體公地、動物學
資料來源：openclipart ( https://openclipart.org/ )