Costa Rica Species
Dasyprocta punctata
AnimaliaIUCN LCIn Progress Recent Sighting

Dasyprocta punctata

Central American Agouti

Gray, 1842

Detailed Texts Multi-lang
The Central American agouti (Dasyprocta punctata) is a medium-sized rodent belonging to the family Dasyproctidae. It has a slender body with long, thin legs, a reddish-brown coat with golden highlights on the dorsum, and a paler underside. It has no externally visible tail. It is primarily diurnal and one of the most important seed dispersers in tropical forests, ranging from southern Mexico to Ecuador and northwestern Argentina.

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Julia Trouin

Taxonomy

PhylumChordata
ClassMammalia
OrderRodentia
FamilyDasyproctidae
GenusDasyprocta
Taxonomic AuthorityGray, 1842

Ecology & Status

Origin

Native

Population Trend

Decreasing

Breeding Season

Year Round

Trophic Role

Herbivore

Recent Sightings

Yes

Habitat Summary Multi-lang

It primarily inhabits tropical moist and dry forests, secondary forests, riparian corridors, plantations, and agricultural areas adjacent to forested zones. It adapts well to disturbed environments as long as sufficient vegetation cover and food availability remain. It can also be found in mangroves, wooded savannas, and peri-urban gardens.

Behaviour Multi-lang

The agouti is a diurnal and predominantly solitary animal, although it can tolerate the proximity of conspecifics in areas of high resource concentration. It maintains small territories (0.5–5 ha) delimited by secretions from scent glands and urinary marking. It is a keystone species in tropical ecosystems due to its function as a primary seed disperser of large trees. Its activity peaks in the early morning hours and at dusk. When facing danger, it prefers rapid flight, though it may also remain motionless relying on its camouflage.

Social Activity Multi-lang

Primarily solitary. Individuals tolerate each other in areas of high resource availability but actively defend their territories against intruders through vocalization, dorsal hair erection, and chases. Communication occurs through contact and alarm vocalizations, chemical signals (anal and perianal glands), and visual signals (body posture). Pairs remain together temporarily during courtship and rearing.

Feeding Guild Multi-lang

Specialized granivore-frugivore. It preferentially feeds on hard seeds and fallen ripe fruits, supplementing its diet with roots, bark, young shoots, and occasionally invertebrates or small fungi. During the dry season, when fruits are scarce, it intensively relies on its buried seed caches.

Trophic Chain Details Multi-lang

Primary consumer that feeds on seeds, fruits, roots, and bark. It is regular prey of the jaguar (Panthera onca), puma (Puma concolor), ocelot (Leopardus pardalis), boa constrictor (Boa constrictor), harpy eagle (Harpia harpyja), and common black hawk (Buteogallus anthracinus). Its role as a secondary seed disperser positions it as a structurally important trophic link: by burying and forgetting seeds, it promotes the germination of key tree species that sustain many other forest organisms.

Reproductive Behaviour Multi-lang

Reproduction can occur year-round, with peaks coinciding with greater fruit abundance. Courtship includes vocalizations, chases, and the male spraying urine on the female. After a gestation of 104–120 days, the female gives birth to 1–4 precocial young (usually 2), with open eyes, fur, and ability to move from the first day. Lactation lasts approximately 16 weeks. Young reach sexual maturity between 6 and 12 months of age.

Physical Measures

Length (cm)

41.5 - 62.0 cm

Weight (Grams)

2.70 kg - 6.00 kg

Offspring per cycle1 - 4
Sexual DimorphismNo

Lifespan

Sexual Maturity

6 - 12 Months

Gestation / Incubation

104 - 120

Lifespan Estimated
Males13 - 20 Years
Females13 - 20 Years

Evolutionary Adaptations Multi-lang

Extremely resistant, continuously growing incisors that allow it to gnaw seeds with woody endocarps that very few mammals can process, such as Brazil nuts and palm seeds.
Scatter-hoarding behavior: it buries seeds individually in hundreds of micro-caches distributed across its territory, generating secondary seed dispersal that is crucial for forest regeneration.
Long, muscular hind legs with hoof-like nails that provide speed and stability on both open terrain and irregular surfaces when fleeing from predators.
Highly developed spatial memory that allows it to remember the location of hundreds of buried seed caches made at different times and under varying seasonal conditions.

Main Threats Multi-lang

Habitat loss and fragmentation caused by deforestation for agricultural, livestock, and urban development purposes, reducing shelter and food availability.
Subsistence and commercial hunting for bushmeat consumption, particularly widespread in rural areas of Mexico, Central America, and northern South America.
Predation by domestic dogs and cats in peri-urban areas and buffer zones of national parks, where the density of uncontrolled pets is high.

Interesting Facts Multi-lang

It is one of the few animals capable of opening the woody capsule of the Brazil nut (Bertholletia excelsa), considered one of the hardest seeds in the world, making it essential for the reproduction of this tree in the Amazon.
When it detects a predator, it stamps the ground with its hind feet and emits sharp alarm vocalizations, a social communication system that alerts other individuals in the area.
Despite being primarily terrestrial, the agouti is a competent swimmer and does not hesitate to cross rivers to escape predators or explore new territories in search of food.
Its incisors display a characteristic orange coloration due to the presence of iron in the dental enamel, making them significantly harder and more resistant than human teeth.