|
Tamiasciurus
Pine squirrels are squirrels of the genus ''Tamiasciurus'', in the Sciurini Tribe (biology), tribe, of the large family (biology), family Sciuridae. Species This genus includes three species: *''Tamiasciurus hudsonicus'' — American red squirrel *''Tamiasciurus douglasii'' — Douglas squirrel **''T. d. mearnsi'' — Mearns's squirrel *''Tamiasciurus fremonti'' — southwestern red squirrel **''T. f. grahamensis'' — Mount Graham red squirrel All three species are native to North America. Pine squirrels can be found in the northern and western United States, most of Canada, Alaska, and northwestern Mexico. Description Pine squirrels, ''Tamiasciurus'' species, are small tree squirrels with bushy tails. Along with members of the genus ''Sciurus'', they are members of the Sciurini, Sciurini tribe. The name ''Tamiasciurus'' comes from the Greek "Ταμίας" "Σκίουρος" for "hoarder squirrel". The American red squirrel should not be confused with the Eurasian red s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleistocene
The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International Union of Geological Sciences, the cutoff of the Pleistocene and the preceding Pliocene was regarded as being 1.806 million years Before Present (BP). Publications from earlier years may use either definition of the period. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The name is a combination of Ancient Greek grc, label=none, πλεῖστος, pleīstos, most and grc, label=none, καινός, kainós (latinized as ), 'new'. At the end of the preceding Pliocene, the previously isolated North and South American continents were joined by the Isthmus of Panama, causing Great American Interchang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
