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Writer's pictureMary Reed

Friday, January 21, 2022 – Kinkajou or Honey Bear


This photo is from the animal show I saw at the Addison Athletic Club yesterday. This kinkajou was in a pink pet carrier with a deep pink cloth cover. The Wild Things Zoofari representative told us that she was very temperamental. Sometimes she would come out where the audience could see her and sometimes, she wouldn’t. When he took the cloth cover off, all we could see was another cover. He said she covers herself up with a blanket. We were lucky because after waiting a few minutes, she finally emerged and crawled into his arms. What an adorable creature with such a long tail! We were all mesmerized. When he finished describing her, he put her back in her pet carrier. We watched as she covered herself with the blanket. So stinking cute!!! Let’s learn more about kinkajous or honey bears.

According to Wikipedia, the kinkajou is a tropical rainforest mammal of the family Procyonidae related to olingos, coatis, raccoons and the ringtail and cacomistle. It is the only member of the genus Potos and is also known as the "honey bear," a name that it shares with the unrelated sun bear. Kinkajous are arboreal, a lifestyle they evolved independently; they are not closely related to any other tree-dwelling mammal group — primates, some mustelids, etc.


Native to Central America and South America, this mostly frugivorous thrives mostly on raw fruits or succulent fruit-like produce of plants such as roots, shoots, nuts and seeds — mammal is not an endangered species, though it is seldom seen by people because of its strict nocturnal habits. However, they are hunted for the pet trade, for their skins to make wallets and horse saddles and for their meat. The species has been included in Appendix III of Convention on International Trade in Endangered Species of Wild Fauna and Flora or CITES — a multilateral treaty to protect endangered plants and animals — by Honduras, which means that exports from Honduras require an export permit and exports from other countries require a certificate of origin or re-export. They may live up to 40 years in captivity.

Wolverine

Etymology

The common name "kinkajou" derives from Frenchquincajou, based on the Algonquian name for the wolverine. It is similar to the Ojibwe word kwi·nkwaʔa·ke. Other names in English include honey bear, night ape and night walker. Throughout the range several regional names are used; for instance, the Dutch names nachtaap, rolbeer and rolstaartbeer are used in Suriname. Many names come from Portuguese, Spanish and local dialects, such as cuchi cuchi, huasa, jupará, leoncillo, marta, perro de monte and yapara.

Welsh naturalist Thomas Pennant by Thomas Gainsborough 1776

Taxonomy

A. M. Husson, of the Rijksmuseum van Natuurlijke Historie in Leiden discussed the rather complicated nomenclature of the kinkajou in “The Mammals of Suriname” in 1978. In his 1774 work “Die Säugethiere in Abbildungen nach der Natur,” Schreber listed three items under the name "Lemur flavus Penn.": on page 145 is a short translation of Pennant's description of the yellow maucauco — later identified to be Lemur mongoz, presently known as the mongoose lemur — from his 1771 work “A Synopsis of Quadrupeds;” on plate 42 is a depiction of the yellow maucauco by Schreber; the last item is a reference to “A Synopsis of Quadrupeds” itself. Husson noted that the last item is actually Pennant's description of an animal that is clearly a kinkajou. Husson therefore concluded that Lemur flavus is actually a "composite species" based on Schreber's specimen of the mongoose lemur and Pennant's specimen of the kinkajou, identifying the latter as the lectotype for the species. The type locality reported by Schreber for L. flavus — "the mountains in Jamaica" — was clearly based on Pennant's description of the kinkajou, who claimed, however, that his specimen was "shown about three years ago in London: its keeper said it came from the mountains of Jamaica." This error was pointed out by Thomas in 1902, who corrected the type locality to Suriname. He used the name Potos flavus for the kinkajou. The genus Potos was erected by Saint-Hilaire and Cuvier in 1795, with the type species Viverra caudivolvula described by Schreber in 1778, later identified as a synonym of Potos flavus. In 1977 the family Cercoleptidae was proposed with the kinkajou as the sole member, but this classification was later dismissed.

Distribution of kinkajou

Subspecies

Eight subspecies have been proposed (type localities are listed alongside):

- P. f. chapadensis (J. A. Allen, 1904):

Chapadas of Mato Grosso, Brazil.

- P. f. chiriquensis (J. A. Allen, 1904):

- P. f. flavus (Schreber, 1774): Suriname.

Synonyms include Cercoleptes

brachyotos, C. brachyotus, Mustela potto

and Viverra caudivolvula.

- P. f. megalotus (Martin, 1836): Santa

Marta, Colombia.

- P. f. meridensis (Thomas, 1902): Mérida,

Venezuela.

- P. f. modestus (Thomas, 1902): Montes

Balzar, Guayas Province, Ecuador.

- P. f. nocturnus (Wied, 1826): São Miguel

- P. f. prehensilis (Kerr, 1792): Veracruz, Mexico.

A 2016 phylogenetic study based on mitochondrial gene cytochrome b analyzed kinkajou specimens from a variety of locations throughout most of the range. The results showed 27 haplotypes split into five clades corresponding to geographical divisions:


- Costa Rica (clade 1).

- Northern Brazil and the Guianas (clade 2).

- Northern Peru (clade 3).

- Ecuador and Panama (clade 4).

- Interfluvesnarrow, elongated and plateau-like or ridge-like landforms between two

valleys — between the Branco River and Rio Negro in the Brazilian Amazon, low-lying

Amazonian areas (in Bolivia, western Brazil and Peru) and eastern Atlantic Forest

(clade 5).


Given the diverse clades, the researchers suggested that some of the subspecies might be independent species.

Kinkajou using its prehensile tail

Physical characteristics

The kinkajou has a round head, large eyes, a short pointed snout, short limbs and a long prehensile tail. The total head-and-body length including the tail is between 32 to 52 inches; the tail measures 15 to 22 inches. The weight ranges from 3.1 to 10.1 lbs. Females are generally smaller than males. The short, rounded ears measure 1.4 to 2.1 inches. The eyes reflect green or bright yellow against light. The long, thick tongue is highly extrudable. The snout is dark brown to black. The claws are sharp and short.


The coat color varies throughout the range and at different times of the year. Several shades such as tawny olive, wood brown and yellowish tawny have been reported for the upper part of the coat and the upper side of the tail, while the underparts and the lower side of the tail have been observed to be buff, tawny or brownish yellow. Some individuals have a black stripe running along the midline of the back. The color seems to become lighter from the south to the north, though no seasonal trends have been observed. The fur is short, woolly and dense. Hairs are of two types: light yellowish and darker with brown tips. The darker hairs reflect light poorly relative to the lighter ones, often creating an illusion of spots and dark lines on the coat. The tail is covered with thick fur up to the end.

Binturong or bearcat

The kinkajou is distinguished from other procyonids by its small, rounded ears, extensible tongue and prehensile tail. Olingos are similar enough in appearance that many native cultures do not distinguish the two. Compared to olingos, kinkajous are larger, have foreshortened muzzles and lack anal scent glands, in addition to the previously described differences. The binturong, a southeast Asian viverrid, has similar limb proportions and is the only other carnivoran with a prehensile tail. The kinkajou resembles neotropical monkeys in having a prehensile tail and big forward-facing eyes, but has a different dentition and heavy fur on the soles of the feet.

Lowland tropical rainforest


Range and habitat

Kinkajous range from east and south of the Sierra Madres in Mexico, throughout Central America to Bolivia east of the Andes and the Atlantic Forest of southeastern Brazil. Their altitudinal range is from sea level to 2500 m. They are found in closed-canopy tropical forests, including lowland rainforest, montane forest, dry forest, gallery forest and secondary forest. Deforestation is thus a potential threat to the species.









Sycamore fig tree

Diet

Although the kinkajou is classified in the order Carnivora and has sharp teeth, its omnivorous diet consists mainly of fruit, particularly figs. Studies have shown that 90% of their diet consists of (primarily ripe) fruit. To eat softer fruits, they hold it with their forepaws, then scoop out the succulent pulp with their tongue. They may play an important role in seed dispersal. Leaves, flowers and various herbs make up much of the other 10% of their diet. They sometimes eat insects, particularly ants. It has been suggested, without direct evidence, that they may occasionally eat bird eggs and small vertebrates. Their frugivorous habits are actually convergent with those of diurnal spider monkeys.




The kinkajou's slender five-inch extrudable tongue helps the animal to obtain fruit and to lick nectar from flowers, so that it sometimes acts as a pollinator. Nectar is also sometimes obtained by eating entire flowers. Although captive specimens will avidly eat honey — hence the name "honey bear” — honey has not yet been observed in the diet of wild kinkajous.









Brown spider monkey with prehensile tail

Behavior

Kinkajous spend most of their life in trees, to which they are particularly well adapted. Like raccoons, kinkajous' remarkable manipulatory abilities rival those of primates. The kinkajou has a short-haired, fully prehensile tail — like some New World monkeys — which it uses as a "fifth hand" in climbing. It does not use its tail for grasping food. It can rotate its ankles and feet 180°, making it easy for the animal to run backward over tree limbs and climb down trees headfirst. Scent glands near the mouth, on the throat and on the belly allow kinkajous to mark their territory and their travel routes. Kinkajous sleep in family units and groom one another.

Northern olingo

While they are usually solitary when foraging, they occasionally forage in large groups, and sometimes associate with olingos — which are also nocturnal arboreal frugivores. The larger kinkajous are dominant and will drive olingos away when food is scarce. Kinkajous have a much more extensive range than olingos and tend to be more common. However, olingos may have greater agility, perhaps facilitating their sympatry with kinkajous.


As a nocturnal animal, the kinkajou's peak activity is usually between about 7:00 PM and midnight, and again an hour before dawn. During daylight hours, kinkajous sleep in tree hollows or in shaded tangles of leaves, avoiding direct sunlight.


Kinkajous breed throughout the year, giving birth to one or occasionally two small babies after a gestation period of 112 to 118 days.

Kinkajou yawns in a Costa Rican animal shelter

As pets

Kinkajous are sometimes kept as exotic pets. They are playful, generally quiet, docile and have little odor. However, they can occasionally be aggressive. Kinkajous dislike sudden movements, noise and being awake during the day. An agitated kinkajou may emit a scream and attack, usually clawing its victim and sometimes biting deeply. In 2011, the Centers for Disease Control and Prevention reported that pet kinkajous in the United States can be carriers — fecal–oral route — of the raccoon roundworm Baylisascaris procyonis, which is capable of causing severe morbidity and even death in humans if the brain is infected.


In El Salvador, Guatemala and Honduras, pet kinkajous are commonly called micoleón, meaning "lion monkey." In Peru pet kinkajous are frequently referred to as "lirón," often described as a "bear-monkey." These names reflect its monkey-like body and obviously carnivoran head.


They live an average of about 23 years in captivity, with a maximum recorded life span of 41 years.




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