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Chelonoidis niger chathamensis, commonly known as the Chatham Island giant tortoise or the San Cristóbal giant tortoise, is a subspecies of Galápagos tortoise endemic to San Cristóbal Island in the Galápagos.
Chelonoidis is a genus of turtles in the tortoise family erected by Leopold Fitzinger in 1835. [2] They are found in South America and the Galápagos Islands, and formerly had a wide distribution in the West Indies. The multiple subspecies of the Galápagos tortoise (C. niger) are among the largest extant terrestrial chelonians.
The Galápagos tortoise or Galápagos giant tortoise (Chelonoidis niger) ... Chelonoidis nigra chathamensis David, 1994; Chelonoidis nigra wallacei Bonin, ...
The subspecies inhabiting Floreana Island (Chelonoidis niger niger) is thought to have been hunted to extinction by 1850, [2] [3] only years after Charles Darwin's landmark visit of 1835 in which he saw carapaces but no live tortoises on the island; however, hybrid tortoises with C. n. niger ancestry still exist in the modern day. [4] [5]
The closest living relative of the Galápagos giant tortoise (Chelonoidis niger) is the small Chaco tortoise from South America, although it is not a direct ancestor. Scientists believe the first tortoises arrived to the Galápagos 2–3 million years ago by drifting 600 miles from the South American coast on vegetation rafts or on their own.
The Floreana giant tortoise (Chelonoidis niger niger), also known as the Charles Island giant tortoise, is a subspecies of the Galápagos tortoise endemic to the Galápagos archipelago in the equatorial eastern Pacific Ocean. The specific epithet niger (‘black’) probably refers to the colouration of the holotype specimen. [2]
Chelonoidis niger chathamensis; This page is a redirect. The following categories are used to track and monitor this redirect: To scientific name of an organism: ...
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