Hutias (known in Spanish as jutía) are moderately large
cavy-like
rodent
Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are roden ...
s of the subfamily Capromyinae that inhabit the
Caribbean islands
Almost all of the Caribbean islands are in the Caribbean Sea, with only a few in inland lakes. The largest island is Cuba. Other sizable islands include Hispaniola, Jamaica, Puerto Rico and Trinidad and Tobago. Some of the smaller islands a ...
, with most species restricted to
Cuba
Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
and
Hispaniola
Hispaniola (, also ; es, La Española; Latin and french: Hispaniola; ht, Ispayola; tnq, Ayiti or Quisqueya) is an island in the Caribbean that is part of the Greater Antilles. Hispaniola is the most populous island in the West Indies, and t ...
. Twenty species of hutia have been identified, but at least half are
extinct. Only
Desmarest's hutia and the
prehensile-tailed hutia
The prehensile-tailed hutia (''Mysateles prehensilis'') is a small, furry, rat-like mammal found only in forests on Cuba. It is the only member of the genus ''Mysateles''. It climbs and lives in trees where it eats only leaves, and it is threate ...
remain common and widespread; all other
extant
Extant is the opposite of the word extinct. It may refer to:
* Extant hereditary titles
* Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English
* Extant taxon, a taxon which is not extinct, ...
species are considered
threatened
Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...
by the
IUCN. The extinct
giant hutias of the family
Heptaxodontidae also inhabited the Caribbean, but are not thought to be closely related, with the giant hutias belonging in the superfamily
Chinchilloidea
Caviomorpha is the rodent infraorder or parvorder that unites all New World hystricognaths. It is supported by both fossil and molecular evidence. The Caviomorpha was for a time considered to be a separate order outside the Rodentia, but is now ...
.
Description
Most species have a head-and-body length that ranges from and weigh less than , but
Desmarest's hutia has a head-and-body length of and weighs . They resemble the
coypu
The nutria (''Myocastor coypus''), also known as the coypu, is a large, herbivorous, semiaquatic rodent.
Classified for a long time as the only member of the family Myocastoridae, ''Myocastor'' is now included within Echimyidae, the family of ...
in some respects. Tails are present, varying from vestiges to
prehensile
Prehensility is the quality of an appendage or organ that has adapted for grasping or holding. The word is derived from the Latin term ''prehendere'', meaning "to grasp". The ability to grasp is likely derived from a number of different origi ...
. They have stout bodies and large heads. Most species are
herbivorous
A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet. As a result of their plant diet, herbivorous animals typically have mouthpart ...
, though some consume small animals. Instead of burrowing underground, they nest in trees or rock crevices.
They are hunted for food in Cuba, where they are often cooked in a large pot with wild nuts and honey. At the
Guantanamo Bay Naval Base
Guantanamo Bay Naval Base ( es, Base Naval de la Bahía de Guantánamo), officially known as Naval Station Guantanamo Bay or NSGB, (also called GTMO, pronounced Gitmo as jargon by members of the U.S. military) is a United States military bas ...
however, there is an over population due to an abundant food source and the lack of natural predators. Desmarest's hutias are referred to by those stationed at the Guantanamo Bay Naval Base as ''banana rats''.
Banana rats are not named for their dietary preference, but because their feces look like small versions of the fruit. They are known to come out at night.
Phylogeny
Molecular studies of phylogeny indicate that hutias nest within the Neotropical spiny rats (
Echimyidae
Echimyidae is the family of neotropical spiny rats and their fossil relatives. This is the most species-rich family of hystricognath rodents. It is probably also the most ecologically diverse, with members ranging from fully arboreal to ter ...
).
Indeed, the hutia subfamily, Capromyinae, is the sister group to Owl's spiny rat ''
Carterodon
Owl's spiny rat (''Carterodon sulcidens'') is a rodent species in the family Echimyidae found in Brazil. It is the only species in the genus ''Carterodon''. Owl's spiny rat has evolved characteristics such as a heightened ability to dig in open ...
''.
In turn, this clade shares phylogenetic affinities with a subfamily of spiny rats, the
Euryzygomatomyinae
Euryzygomatinae is a subfamily of rodents, proposed in 2017, and containing three extant genera of spiny Echimyidae: '' Clyomys'', '' Euryzygomatomys'', and '' Trinomys''.
Members of this echimyid subfamily all share an origin in the eastern pa ...
.
Within Capromyidae, the deepest split involves ''Plagiodontia'' with respect to other genera, followed by the divergence of ''Geocapromys''. The latter genus is the sister group to a clade in which ''Capromys'' branches off before the ''Mesocapromys'' and ''Mysateles'' split.
Hutias colonized the islands of the Caribbean as far as the
Bahamas
The Bahamas (), officially the Commonwealth of The Bahamas, is an island country within the Lucayan Archipelago of the West Indies in the North Atlantic. It takes up 97% of the Lucayan Archipelago's land area and is home to 88% of the archi ...
by
island hopping from South America,
reaching the Greater Antilles by the early
Oligocene
The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but ...
.
This was facilitated by the direction of prevailing currents.
Systematics
The systematics of the 10 extant and 11
extinct recognized species of Capromyidae is as follows.
Taxa known to be extinct are marked with a dagger (†).
: Subfamily Capromyinae
:::Tribe Capromyini
:::: ''
Capromys''
:::::
Garrido's hutia (''Capromys garridoi'') (possibly
extinct)
:::::
Desmarest's hutia (''Capromys pilorides'')
:::: ''
Geocapromys''
:::::
Jamaican hutia
The Jamaican coney (''Geocapromys brownii''), also known as the Jamaican hutia or Brown's hutia, is a small, endangered, rat-like mammal found only on the island of Jamaica. About the size of a rabbit, it lives in group nests and is active at nig ...
(''Geocapromys brownii'')
:::::
Bahamian hutia (''Geocapromys ingrahami'')
::::: †
Little Swan Island hutia (''Geocapromys thoracatus'')
::::: †
Cuban coney (''Geocapromys columbianus'')
:::::†
Cayman hutia Cayman may refer to
* Cayman Islands, an overseas territory of the United Kingdom
** Grand Cayman, Cayman Brac, or Little Cayman, three islands that are part of the Cayman Islands
* , a British frigate in service with the Royal Navy from 1944 to 194 ...
(''Geocapromys caymanensis'')
:::: ''
Mesocapromys''
:::::
Cabrera's hutia
Cabrera's hutia (''Mesocapromys angelcabrerai'') is a small, critically endangered, rat-like mammal found only in Cuba. It lives in communal shelters in swamps and coastal mangrove forests, and is threatened by habitat loss. It is a member of t ...
(''Mesocapromys angelcabrerai'')
:::::
Eared hutia (''Mesocapromys auritus'')
:::::
Black-tailed hutia
The black-tailed hutia (''Mesocapromys melanurus''), also known as the bushy-tailed hutia, is a small, furry, rat-like mammal found only in Cuba. It lives in lowland moist forests and is threatened by habitat loss. It is a member of the hutia su ...
(''Mesocapromys melanurus'')
:::::
Dwarf hutia
The dwarf hutia (''Mesocapromys nana'') is a small, critically endangered, rat-like mammal known only from Cuba. Aside from tracks, it was last seen in 1937 and may be extinct. It gives birth to only a single offspring at a time, and is threatene ...
(''Mesocapromys nana'') (possibly extinct)
:::::
San Felipe hutia
The San Felipe hutia (''Mesocapromys sanfelipensis''), also known as the little earth hutia, is small, critically endangered, rat-like mammal found on the small island of Cayo de Juan Garcia off the southwest coast of Cuba. It was discovered in 1 ...
(''Mesocapromys sanfelipensis'') (possibly extinct)
:::: ''
Mysateles
The prehensile-tailed hutia (''Mysateles prehensilis'') is a small, furry, rat-like mammal found only in forests on Cuba. It is the only member of the genus ''Mysateles''. It climbs and lives in trees where it eats only leaves, and it is threate ...
''
:::::
Prehensile-tailed hutia
The prehensile-tailed hutia (''Mysateles prehensilis'') is a small, furry, rat-like mammal found only in forests on Cuba. It is the only member of the genus ''Mysateles''. It climbs and lives in trees where it eats only leaves, and it is threate ...
(''Mysateles prehensilis'')
:::Tribe †Hexolobodontini
:::: †''
Hexolobodon''
::::: †
Imposter hutia (''Hexolobodon phenax'')
::: Tribe Isolobodontini
:::: †''
Isolobodon''
::::: †
Montane hutia (''Isolobodon montanus'')
::::: †
Puerto Rican hutia (''Isolobodon portoricensis'')
::: Tribe Plagiodontini
::::: ''
Plagiodontia''
::::::
Hispaniolan hutia
The Hispaniolan hutia (''Plagiodontia aedium'') is a small, endangered, rat-like mammal endemic to forests on the Caribbean island of Hispaniola (split between Haiti and the Dominican Republic). It lives in burrows or trees, and is active at nigh ...
(''Plagiodontia aedium'')
:::::: †
Samaná hutia
The Samaná hutia (''Plagiodontia ipnaeum'') is an extinct species of rodent in the subfamily Capromyinae. It was endemic to Hispaniola (the Dominican Republic and Haiti). Its natural habitat was subtropical or tropical moist lowland forests.
...
(''Plagiodontia ipnaeum'')
::::::†
Small Haitian hutia
Small may refer to:
Science and technology
* SMALL, an ALGOL-like programming language
* Small (anatomy), the lumbar region of the back
* ''Small'' (journal), a nano-science publication
* <small>, an HTML element that defines smaller text
...
(''Plagiodonta spelaeum'')
::::: †''
Hyperplagiodontia
''Hyperplagiodontia'', rarely called the wide-toothed hutia, is an extinct genus of hutia which contains a single species, ''Hyperplagiodontia araeum''. The species was originally described as a member of the genus '' Plagiodontia'' along with t ...
''
:::::: †
Wide-toothed hutia
''Hyperplagiodontia'', rarely called the wide-toothed hutia, is an extinct genus of hutia which contains a single species, ''Hyperplagiodontia araeum''. The species was originally described as a member of the genus ''Plagiodontia'' along with the ...
(''Hyperplagiodontia araeum'')
::::: †''
Rhizoplagiodontia''
:::::: †
Lemke's hutia
Lemke's hutia (''Rhizoplagiodontia lemkei'') is an extinct species of rodent in the subfamily Capromyinae. It is monotypic within the genus ''Rhizoplagiodontia''. It was endemic to Hispaniola (the Dominican Republic and Haiti). Its natural habita ...
(''Rhizoplagiodontia lemkei'')
References
External links
The last survivors conservation project
{{Taxonbar, from=Q651787
Extant Miocene first appearances
Mammal subfamilies