Wikipedia:WikiProject Open/Open access task force/Open Access File of the Day/2012/February/15
Today's Open Access File of the Day shows one of the smallest reptiles on a match head. The image was cropped from Fig. 8C of an article published yesterday and has already been used on the English, German, French, Russian and Spanish Wikipedias, along with several other files from the same article.
Source: Glaw, F.; Köhler, J. R.; Townsend, T. M.; Vences, M. (2012). Salamin, Nicolas (ed.). "Rivaling the World's Smallest Reptiles: Discovery of Miniaturized and Microendemic New Species of Leaf Chameleons (Brookesia) from Northern Madagascar". PLOS ONE. 7 (2): e31314. Bibcode:2012PLoSO...731314G. doi:10.1371/journal.pone.0031314. PMC 3279364. PMID 22348069.