The tenrec

The tenrec son de la familia de los mamíferos y se encuentran en Madagascar y en partes de África. They resemble hedgehogs, shrews, weasels, mice and even, otters, as a result of convergent evolution.

The smallest species are the size of the shrews, with a body length of around of 4,5 centímetros y un peso de sólo 5 g., While the largest, el común o tenrec tailless, is of 25 a 39 centimeters in length, and you can weigh more than one kilogram. While they may resemble shrews, sea urchins, or otters, they are not closely related to any of these groups, sus parientes más cercanos son otros mamíferos insectívoros africanos como los topos de oro y musarañas elefante.

La mayoría de las especies they are nocturnal and they have vision problems. Their other senses, However, they are well developed, they have especially sensitive whiskers. As with many of its other functions, la disposición dental de los tenrecs varía mucho entre las especies, they may have of 32 a 42 teeth in total. Inusual para los mamíferos, the permanent dentition in the tenrecs is unlikely to erupt fully until long after that his adult body size has been reached. Esta es una de las características anatómicas comunes a, hyraxes, sengis and Golden moles (but apparently not the aardvarks), en consonancia con su descendencia de un ancestro común.

The Tenrecs have a período de gestación de 50 a 64 days, and they give birth to an offspring series relatively little developed. Mientras que las musarañas nutria tiene sólo dos crías por camada, the tenrec can have up to 32 pups, and females possess up to 29 teats, más que cualquier otro mamífero. The tenrecs are social, they live in multigenerational family groups with more than one dozen of individuals.

A team from the BBC has managed to shoot at a the lowlands list tenrec, genus Hemicentetes. Al frotar entre sí unas púas especiales que tiene en la espalda, produces calls of ultrasound, very high tone that connects him with his companions when they are in the darkness of the understory. The technique is known as stridulation - produce sound by friction of certain parts of the body.

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In the island of Mauritius , some of its inhabitants eat meat of tenrec, aunque es difícil de obtener (that is not sold in shops or markets) y difícil de preparar correctamente.

It is becoming increasingly popular in the pet market, and in the future can serve as an important model to an agency of biomedicine, Since it is related to mice, Rats, Guinea-pigs and macaques rhesus which comprise the most common animals in research.

  • Images Tenrec

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