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Tuco-tuco. A tuco-tuco is a neotropical rodent in the family Ctenomyidae. [1] [2] Tuco-tucos belong to the only living genus of the family Ctenomyidae, Ctenomys, but they include approximately 60 different species. The common name, "tuco-tuco", comes from the "tuc-tuc" sound they make while they dig their burrows. [3]
The highland tuco-tuco lives on the eastern side of the Andes range in the southern half of South America. Its range includes southwestern Bolivia, northwestern Argentina, southern Peru and northern Chile, where it is present at altitudes ranging from 2,500 to 5,000 m (8,200 to 16,400 ft) above sea level. It is found in dry puna grassland where ...
In 1960 there were 23,000 Chicagoans who were born in Mexico. In 1970 that number was 47,397, and that year, of all major U.S. cities, Chicago had the fourth-largest Spanish-speaking population; Mexicans made up the majority of Chicago's Hispanophones at that time. From 1960 to 1970 there was an 84% increase in the number of Chicagoans who had ...
The robust tuco-tuco is a large species of tuco-tuco and grows to a total length of about 255 mm (10 in) including a tail of about 77 mm (3 in). As is the case with other members of the genus, the eyes and ears are small, the fur is dense and the claws on the forefeet are large. The fur is brown and it has a blackish stripe running along its spine.
The southern tuco-tuco is a large rodent, ranging in weight from 250–600 grams. Its head-body length is 15–25 cm, while its tail length is 6–11 cm. [3] At this size, it is one of the largest species within the genus Ctenomys. [4]
C. h. haigi Thomas, 1917. C. h. lentulus Thomas, 1919. Haig's tuco-tuco ( Ctenomys haigi ), known regionally as the Patagonian tuco-tuco, is a hystricognath rodent. [2] Like other tuco-tucos it is subterranean and thus not often observed, although the "tuc-tuc" call of the males can be heard near burrow sites, especially in the early morning.
The collared tuco-tuco ( Ctenomys torquatus) is a tuco-tuco species from South America. It is found in southern Brazil, Uruguay and northern Argentina, where it lives underground in a burrow it digs in savannah habitats. It is a relatively common species and the IUCN has assessed its conservation status as being of "least concern".
The social tuco-tuco (Ctenomys sociabilis) is a species of rodent in the family Ctenomyidae. It is endemic to Argentina. Its natural habitat is subtropical or tropical dry lowland grassland. Range. The social tuco-tuco is found in the mesic meadows at about 1000 m in elevation.