thick-skulled
51Brown bear — Temporal range: Late Pleistocene – Recent A Kodiak bear (U. arctos middendorffi) in Katmai National Park, Alaska Conservation status …
52Human Race — Human Race † Catholic Encyclopedia ► Human Race Mankind exhibits differences which have been variously interpreted. Some consider them so great that they regard the varieties of the human race as distinct species; others maintain the… …
53human evolution — Evolution of modern human beings from nonhuman and extinct hominid forms. Genetic evidence points to an evolutionary divergence between the lineages of humans and the great apes (Pongidae) on the African continent 5–8 million years ago. The… …
54Deinosuchus — Bilateria Deinosuchus Temporal range: Late Cretaceous, 80–73 Ma …
55Pachycephalosauria — Taxobox name = Pachycephalosaurs fossil range = ?Middle Jurassic Late Cretaceous image size = 200px image caption = Undescribed pachycephalosaur, informally referred to Pachycephalosaurus wyomingensis regnum = Animalia phylum = Chordata classis …
56List of rodents — The class Mammalia (the mammals) is divided into two subclasses based on reproductive techniques: egg laying mammals (the monotremes); and mammals which give live birth. The latter subclass is divided into two infraclasses: pouched mammals (the… …
57ignorance — I (New American Roget s College Thesaurus) Lack of knowledge Nouns 1. ignorance, nescience; illiteracy; darkness, blindness; incomprehension, inexperience, simplicity, simpleness, innocence; stupidity; unawareness. See folly, insanity,… …
58Origin of the domestic dog — A dog in Diego Velázquez s Las Meninas The origin of the domestic dog (Canis lupus familiaris) began with the domestication of the gray wolf (Canis lupus) several tens of thousands of years ago …
59List of mammals in Russia — This is a list of the mammal species recorded in Russia. There are 266 mammal species in Russia, of which 5 are critically endangered, 13 are endangered, 26 are vulnerable, and 6 are near threatened. 1 of the species listed for Russia is extinct… …
60List of mammals of Russia — The Brown Bear, Ursus arctos is the national animal of Russia This is a list of the mammal species recorded in Russia. There are 266 mammal species in Russia, of which 5 are critically endangered, 13 are endangered, 26 are vulnerable, and 6 are… …
