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Thryonomys gregorianus - A Living Relative of Protohummus.

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  • Neal Robbins
              This link has a drawing of Thryonomys gregorianus.
    Message 1 of 1 , Jul 18, 2013
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          This link has a drawing of Thryonomys gregorianus.
          Thrynomomys gregorianus is a living relative of the Miocene rodent Protohummus. Both are in the family Thryonomyidae.
          Thryonomys gregorianus is often called the Lesser Cane Rat. It and its cousin Thryonomys swinderianus (Greater Cane Rat) are both native to Africa.
          Thryonomys gregorianus is found in Kenya, Ethiopia, Tanzania, the Democratic Republic of the Congo, the Sudan, Malawi, Chad, Cameroon, Uganda, Zimbabwe, and Zambia. It inhabits savanas with tall grass.
          The length of Thryonomys gregorianus is 65-14.3 cm. It weighs 2.65-7.5 grams. The coloration is gray-brown or yellow-brown. The front feet have five digits. The first one is rudimentary and the fifth digit is small. There are four larger digits on the hind feet. The first is absent and the fifth is small.
          Thryonomys gregorianus is an herbivore. Its diet includes grasses, shrubs, bark, nuts, yams, and sweet potatoes. The dental formula of Thryonomys gregorianus is I1/1, C0/0, P1/1, M3/3 X 2=20.
          Breeding occurs at various times of the year. A litter usually consists of 2-4, but it can number up to 6. Gestation takes about 152 days. The young reach breeding maturity when they are about five months old.
          This publication is a reference:
      Ian Bishop (1984). D. Mcdonald. ed. The Encyclopedia of Mammals: New York Facts on File.
          Neal Robbins

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