Atelocynus microtis

Small-eared dog


Classification

Geographic Range

Neotropical: Atelocynus microtis can be found in northern South America. Its range is east of the Andes in Colombia, Ecuador, and Peru, as well as in Brazil south of the Amazon.

Physical Characteristics

Mass: 6.5 to 9 kg

Atelocynus microtis has a large head, relatively short and slender limbs, and a long bushy tail. The ears are proportionately shorter than in most other species of wild dogs, but protrude well above the crown. The tips of the canines are visible when the mouth is closed. Atelocynus microtis has short and stiff pelage, which is brown or blackish, giving way to a dull reddish-brown on the underside. Other markings include a dark band along the top of the back and tail, and a pale-colored patch at the underside of the base of the tail.

Natural History

Food Habits

Nothing is known about the food habits of of A. microtis in the wild. Observations of this species in captivity suggest a carnivorous diet, although it has been suggested that it will eat fruit in the wild if prey is scarce.

Reproduction

There is no published information regarding reproduction in this species.

Behavior

Nothing is known of the behavior of A. microtis in the wild. Observations of this species have been made in captivity: these animals were shy during the early part of captivity but became tame with time. To manifest hostility, these animals growled, snarled, bared their teeth, and attempted to bite. The males assert dominance in most situations, although the females are one-third larger. The tip of the tail is particulary sensitive and, when the animal is excited, the hairs are erected. When males are excited, they emit a strong musky odor.

Observations of the small-eared dog in captivity show that it moves gracefully and lightly, uncharacteristic of many other members of the family.

Habitat

The short, thick coat of A. microtis suggests that the animal is often in water or resides in areas of heavy rainfall. Its short legs are well adapted for locomotion in dense forests. These conclusions are supported by this animals' distribution--all specimens have been collected in lowland tropical rainforests.

Other Comments

The generic name Atelocynus is derived from the Greek words for 'imperfect' and 'dog'. The specific name microtis is formed from the Greek words meaning 'small' and 'ear'.