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This technique is more common for insects and snakes. Tenrecinae resemble a cross between a shrew and a hedgehog: their snouts are long and pointed, while the coat exhibits spines. [8], When an individual is aggravated a defense response is produced by erecting its quills laterally and forward and produces sound when the quills vibrate. Gestation period lasts for 55 - 63 days, yielding 2 - 11 young with an average of 5 - 8 per litter. Male Lowland tenrecs are careful to young. [3] The average body size for H. semispinosus is a length of 140 mm (5.5 in) however adults have been recorded to grow up to a maximum of 172 mm (6.8 in). Lowland tenrecs mate in September-December. [4] Elongated hands and digit adaptation (digits 2, 3, and 4) are the tenrecs main digging apparatus allowing it to unearth and pull its prey form the earth. Quills are present in this species being longer and more numerous on the head and nuchal area. The species is found in tropical lowland rain forest, in the northern and eastern parts of Madagascar. When threatened, tenrecs raise the quills, surrounding their neck. The sounding quills are different from the spines and hair and are found in the mid-dorsal region of the streaked tenrec. name="Endo et al 2010">Endo, H., Koyabu, D., Kimura, J., Rakotondraparany, F., Matsui, A., Yonezawa, T., ... & Hasegawa, M. (2010). These diurnal animals can forage both solitarily and in small groups. It is also important to … Female encounters however, have tactile contact and then increase the distance between each other. The diet of these vermivorous or worm-eating animals primarily consists of earthworms, supplemented with various insects. [4][3] There is a median yellow stripe that runs down the rostrum along with one dorsal and two lateral stripes that mark the length of the body and may serve as a warning to predators. The lowland streaked tenrec (Hemicentetes semispinosus) is a small tenrec found in Madagascar. According to IUCN, the Lowland streaked tenrec is very abundant and widespread throughout its range but no overall population estimate is available. The streaked tenrec is the only mammal species, practicing stridulation - this is when an animal rubs together parts of its body to give out sound. The sound produced is too high to be perceived by human ears. It is active during day and night and their diet is made up primarily of earthworms. Little is known about the reproductive system of this species. The gestation period lasts 58 days, and the female gives birth to usually between 5 and 8 young. Current population trend of this species is unknown, they classified as Least Concern (LC) on the IUCN Red List. During winter days, they conserve heat by reducing their body temperature to … [3], The skull has an elongated rostrum with a slender jaw with small spaced dentition placed more forward in the mouth. The lowland streaked tenrec (Hemicentetes semispinosus) belongs to the family Tenrecidae in the order Afrosoricida, and more specifically to the subfamily of the spiny tenrecs Tenrecinae. [4] These quills are located in a small area of the mid-dorsal region in a group of seven to sixteen arranged in three rows. During the winter months (May-October) they conserve heat by reducing their body temperature to that of the air, meanwhile remaining active. This species also has elongated hands and second, third, and fourth digit adaptation that acts as the main fossorial adaptation. Yet the rest of the body is covered with numerous long, sharp quills. The young are weaned at 18 to 25 days. The arrangement and number of quills does not alter during growth and neither does the length. [4][3] H. semispinosus has a highly developed sense of smell and this response along with foot stamping is also produced when the odor of a predator is detected. The Lowland Streaked Tenrec (Hemicentetes semispinosus) is a small tenrec found in Madagascar. Its diet is made up primarily of earthworms, but they will sometimes prey on other invertebrates as well. (1996). And when the predator retreats, the tenrec takes its chance to quickly flee. Cutaneous muscles underneath the quills were confirmed and are known as quill vibrator disc; they are around 16.8 mm long and 8.55 mm in width for an adult. [10][11] Due to its rarity, there are not sufficient information regarding the functional-morphological mechanism of the streaked tenrec.

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