About Rhynchonycteris naso (Wied-Neuwied, 1820)
Species Identity
Rhynchonycteris naso is a small bat species.
General Size and Weight
It reaches approximately 6 centimeters in total length, and averages around 4 grams in body weight.
Regional Length Dimorphism
Among populations in northern South America, males average 56 millimeters long, while females average 59 millimeters long.
Tail Length
This bat’s tail measures about 16 millimeters long.
Maximum Weight of Pregnant Females
Pregnant females of this species can reach a maximum weight of 6 grams.
General Habitat Elevation Range
Rhynchonycteris naso inhabits lowland areas across most of its range.
Geographic Distribution Scope
Its distribution covers the entire Central America, extends into southeastern Mexico, and covers the northern half of South America.
Southern Range Boundaries
South of Ecuador, this species is restricted to areas east of the Andes; its range reaches southward into the northern half of Bolivia and most of Brazil.
Elevation Limit
It rarely occurs at elevations above 300 meters.
Specific Habitat Associations
It typically lives close to wetland environments, and is commonly found near water in riparian forests, pastures, and swamps.
