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  2. List of largest rodents - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_rodents

    Extant: 45.4 kg (100 lb) 6: Eurasian beaver: Castor fiber: Extant: 40 kg (88 lb) 7: Cape porcupine: Hystrix africaeaustralis : Extant: 30 kg (66 lb) 8: Crested porcupine: Hystrix cristata : Extant: 27 kg (60 lb) 9: North American porcupine: Erethizon dorsatum: Extant: 18 kg (40 lb) 10: Indian crested porcupine: Hystrix indica: Extant: 18 kg (40 ...

  3. North American porcupine - Wikipedia

    en.wikipedia.org/wiki/North_American_porcupine

    The North American porcupine has a long gestation period relative to other rodents, an average of 202 days. [38] By contrast, the North American beaver, which is comparable in size, has a gestation period of 128 days. [39] The eastern grey squirrel (Sciurus carolinensis) has a gestation period of just 44 days. [40]

  4. Cape porcupine - Wikipedia

    en.wikipedia.org/wiki/Cape_porcupine

    Indian porcupines are almost the same size on average as well, being slightly heavier on average than crested porcupine but slightly lighter than Cape porcupines. [5] [6] Cape porcupines measure 63 to 81 centimetres (25 to 32 inches) long from the head to the base of the tail, with the tail adding a further 11–20 centimetres (4.3–7.9 inches ...

  5. Largest prehistoric animals - Wikipedia

    en.wikipedia.org/wiki/Largest_prehistoric_animals

    One of the largest of prehistoric otariids is Thalassoleon, comparable in size to the biggest extant fur seals. An estimated weight of T. mexicanus is no less than 295–318 kg (650–701 lb). [161] The biggest known mustelid to ever exist was likely the giant otter, Enhydriodon. It exceeded 3 m (9.8 ft) in length, and would have weighed in at ...

  6. Porcupine - Wikipedia

    en.wikipedia.org/wiki/Porcupine

    A porcupine is any of 30 species of rodents belonging to the families Erethizontidae (genera: Coendou, Erethizon, and Chaetomys) or Hystricidae (genera: Atherurus, Hystrix, and Trichys). Porcupines vary in size considerably: Rothschild's porcupine of South America weighs less than a kilogram (2.2 lb); the crested porcupine found in Italy ...

  7. Crested porcupine - Wikipedia

    en.wikipedia.org/wiki/Crested_porcupine

    This porcupine has a short tail which has rattle quills at the end. The rattle quills broaden at the terminal end and the broad portion is hollow with thin walls. When these quills are vibrated, they produce a hiss-like rattle. The front feet of the crested porcupine have four developed and clawed digits with a regressed thumb, the rear feet ...

  8. Old World porcupine - Wikipedia

    en.wikipedia.org/wiki/Old_World_porcupine

    They vary in size from the relatively small long–tailed porcupine with body lengths of 27.9 to 48 cm (11.0 to 18.9 in), and a weight of 1.5 to 2.3 kg (3.3 to 5.1 lb), [2] to the much larger crested porcupines, which are 60 to 83 cm (24 to 33 in) long, discounting the tail, and weigh from 13 to 27 kg (29 to 60 lb).

  9. New World porcupine - Wikipedia

    en.wikipedia.org/wiki/New_World_porcupine

    They vary in size from the relatively small prehensile-tailed porcupines, which are around 30 cm (12 in) long, and weigh about 900 g (32 oz), to the much larger North American porcupine, which has a body length of 86 cm (34 in), and weighs up to 18 kg (40 lb).