South American Coati

Nasua nasua

South American Coati - Acaime, Valle De Cocora, Quindio, Colombia

Quick Facts

  • Scientific Name: Nasua nasua
  • Spanish Name: Cusumbo
  • Family: Procyonidae
  • Known Nicknames: Ring-tailed coati, Brown-nosed coati, Coatimundi
  • Average Length: 73–136 cm / 29–54 in (including tail)
  • Average Weight: 2–7.2 kg / 4.4–15.9 lb
  • Wingspan: N/A
  • Key Feature: Elongated, flexible snout and a long, bushy, ringed tail used for balance
  • Primary Diet: Omnivore (primarily fruit and invertebrates)
  • Range: South America, from Colombia and Venezuela to Uruguay and northern Argentina
  • Habitat: Tropical and subtropical forests, riverine forests, and xeric shrublands
  • Social Structure: Highly social matrilineal bands (females and young); adult males are typically solitary
  • Nesting/Breeding: Nests constructed in trees
  • Statut de conservation : Préoccupation mineure (LC)
  • Population Trend: Decreasing

The South American Coati (*Nasua nasua*) is a highly adaptable and charismatic member of the raccoon family, distinguished by its long, incredibly flexible snout used for probing forest debris and its elongated, ringed tail that it frequently holds upright like a flagpole. Clad in dense, reddish-brown or grayish fur with pale markings around the eyes, these agile mammals are primarily diurnal and exceptionally social, with females and young living in cooperative groups called "bands." Among their most remarkable physical feats is their ability to descend trees head-first, thanks to specialized double-jointed ankles that can rotate 180 degrees. Whether navigating the high canopy or the forest floor, the coati’s keen sense of smell and dexterous claws make it a master of its South American habitat.

Faits amusants

South American Coatis are the acrobatic relatives of raccoons, boasting double-jointed ankles that enable them to climb down trees headfirst. Their incredibly flexible snouts can rotate up to 60 degrees, allowing them to poke into tight crevices like a biological multi-tool while searching for food. Interestingly, their social structure is strictly divided: females and juveniles live in noisy groups called bands, while adult males are so solitary that they were once thought to be an entirely different species. To maintain contact in dense undergrowth, these clever mammals hold their long, ringed tails straight up in the air, using them as fuzzy signaling flags to keep the group together.

Habitats et répartition

This species is widely distributed across South America, ranging from Colombia and Venezuela in the north to Uruguay and northern Argentina in the south. It occupies a vast geographical area that includes the majority of Brazil, Paraguay, and parts of Peru and Bolivia. Its presence spans diverse elevations, from coastal lowlands at sea level up to approximately 2,500 meters in the Andean regions. Highly adaptable, it primarily occupies tropical and subtropical rainforests, but it is also frequently found in deciduous forests, gallery forests, and scrublands. While it prefers areas with dense vegetation for foraging and protection, it often frequents forest edges and can inhabit human-disturbed environments such as secondary growth forests and agricultural plantations.

Comportements & Reproduction

They exhibit a distinct social structure where females and sexually immature males live in organized groups known as bands, which can include up to 30 individuals. In contrast, adult males are primarily solitary and only associate with these groups during the breeding season. These animals are highly active during the day, utilizing their long, ringed tails for balance while foraging across both the forest floor and the arboreal canopy. Mating is typically polygynous, occurring once a year when a single male is permitted to join a band to mate with the receptive females. Following a gestation period of roughly 74 to 77 days, pregnant females leave the group to build secluded nests high in the trees. They give birth to litters of two to seven kits, remaining in isolation for about five to six weeks until the young are strong enough to climb down and integrate into the collective safety of the social band.

Alimentation

The South American Coati (Nasua nasua) is a versatile omnivore with a highly varied diet that shifts according to seasonal availability. Utilizing its elongated, flexible snout and powerful claws, it meticulously forages through leaf litter and crevices to uncover a wealth of invertebrates, including beetles, spiders, scorpions, and land crabs. In addition to these protein sources, the coati consumes a significant amount of fruit, playing a vital role in its ecosystem as a seed disperser for various forest plants. This opportunistic feeder also hunts small vertebrates such as lizards, rodents, and birds, and is known to raid nests for eggs. An interesting behavioral aspect of their diet is the distinct social foraging strategy; while adult males are typically solitary hunters, females and juveniles forage in large, coordinated groups called bands, which allows them to more effectively flush out prey and protect one another while feeding.

Couleurs

The South American coati features a coarse coat ranging from reddish-brown to grayish-black, often with a lighter cream-colored underbelly. Its most distinctive markings include white patches around the eyes and snout and a long, bushy tail adorned with alternating dark and light rings. These earthy tones provide effective camouflage against forest leaf litter, while the bold tail rings serve as visual signals to maintain troop cohesion in dense undergrowth.