Mammals
Common Agouti
Dasyprocta leporina · also called Brazilian agouti
Gnawing through the tough outer shell of a fallen Brazil nut pod, a common agouti accomplishes what few other rainforest animals can manage, later burying the extras it cannot finish and unknowingly planting the next generation of trees.
Overview
The common agouti, Dasyprocta leporina, is a long-legged, daytime-active rodent native to rainforest and forest habitat across parts of northern and eastern South America. Its rare ability to crack open Brazil nut pods, vital role dispersing large rainforest seeds, and long-term monogamous pair bonds make it one of the more ecologically important and behaviourally distinctive rodents found anywhere in the Amazon basin and surrounding forests.
The rainforest’s reluctant tree planter
Every Brazil nut the common agouti buries and forgets becomes a chance for a new tree, an accidental but essential partnership between one of the few animals capable of opening the nut’s tough pod and one of the rainforest’s most valuable timber and food trees.
Status
Least Concern, remaining widespread across suitable rainforest and forest habitat throughout parts of South America.
Common Agouti: common questions
Why is the common agouti important to the Brazil nut tree?
This species is one of a small number of animals with jaws strong enough to gnaw open the tough, woody pod of the Brazil nut tree, and by burying surplus seeds for later use and leaving some unrecovered, it acts as one of the tree's most important natural seed dispersers.
Why does the common agouti have such long legs?
This species has notably long, slender legs relative to its body, an adaptation that allows for quick bursts of speed to escape predators across the forest floor, a body plan shared with several other fast-running South American rodents.
Does the common agouti live alone or with a partner?
This species typically forms long-term monogamous pairs that defend a shared territory together, an unusual social structure among many rodent species, with both individuals cooperating to protect their shared foraging ground.
Is the common agouti active at night?
No, this species is primarily diurnal, foraging during daylight hours across the rainforest floor, an activity pattern that contrasts with the more nocturnal habits of many other small to medium-sized rainforest mammals.