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• 2011-01-30 16:53 Mariomassone 352×560× (239046 bytes) {{PD-US-1989}} {{Information |Article = Brown Rat |Description = Skull of brown rat |Source = The contemporary land mammals of Egypt (including Sinai) (1980) by Dale J. Osborn and Ibrahim Helmy (see here http://www.archive.org/details/contemporaryland05osbo for copyright status) |Date = 1980 |Author = Dale J. Osborn and Ibrahim Helmy |Portion = |Low_resolution = Lower than original |Purpose = Illustrate the skull of this rat species |Replaceability = |other_information = }}