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While the Mexican agouti was previously deemed as near threatened by the IUCN in 1996, it is now regarded as a critically endangered species. [9] [32] Currently, there is a continuous decrease in the number of mature individuals within the rodent’s population, driven by continuous habitat loss within their preferred habitat range.
Most rodents are small, although the capybara can weigh up to 45 kg (99 lb). According to the IUCN listing, Mexico has more rodent species (236 as of April 2011) than any other country in the world (Brazil is second with 222). Of Mexico's rodents, 2% are caviomorphs, 14.5% are sciurids, 25.5% are castorimorphs and 58% are cricetids.
Capybara groups can consist of as many as 50 or 100 individuals during the dry season [29] [34] when the animals gather around available water sources. Males establish social bonds, dominance, or general group consensus. [34] They can make dog-like barks [29] when threatened or when females are herding young. [35]
The related pacas were formerly included in genus Agouti, but these animals were reclassified in 1998 as genus Cuniculus. [3] The Spanish term is agutí. In Mexico, the agouti is called the sereque. [4] In Panama, it is known as the ñeque [5] and in eastern Ecuador, as the guatusa. [6] Red-rumped agouti (Dasyprocta leporina)
Besides breeding quickly, each nutria consumes large amounts of aquatic vegetation. [41] An individual consumes about 25% of its body weight daily, and feeds year-round. [31] [42] Being one of the world's larger extant rodents, a mature, healthy nutria averages 5.4 kg (11 lb 14 oz) in weight, but they can reach as much as 10 kg (22 lb).
The lowland paca (Cuniculus paca), also known as the spotted paca, is a large rodent found in tropical and sub-tropical America, from east-central Mexico to northern Argentina, and has been introduced to Cuba and Algeria. [3] [citation needed]
Desmarest's hutia (Capromys pilorides), a member of a rodent family known only from the Caribbean.. The Caribbean region is home to a diverse and largely endemic rodent fauna. . This includes the endemic family Capromyidae (hutias), which are largely limited to the Greater Antilles, and two other groups of endemic hystricognaths, the heteropsomyines and giant hutias, including the extinct bear ...
This is a list of the largest rodents. Rank Common name Scientific name Status Maximum body mass [kg (lb)] Image Notes 1: Giant pacarana: Josephoartigasia monesi: