Northern Yellow-shouldered Bat (Sturnira parvidens) lives in tropical rainforest across Central and South America. Its conservation status is Least Concern.
Fascinating facts about the Northern Yellow-shouldered Bat
- Male northern yellow-shouldered bats are medium-sized, measuring 6-7 cm from head to body and weighing just 12-19 g. Their coat is thick and soft, most often reddish or yellowish, and each male bears a bright yellow patch on the shoulders. The back fur is dark brown with hairs that show three or four colour bands, while the belly is paler. These colour traits make the males easily recognisable in the forest understory.
- The species seeks roosts in tree cavities or comparable hollows, where it may sit alone or in a tiny colony of up to three individuals. Such roosts are typically found in the sub-canopy or understory of tropical forests, often close to water sources or nearby agricultural fields. This habit allows the bats to stay protected while remaining near feeding sites. Their small group size reduces competition for the limited space inside cavities.
- Northern yellow-shouldered bats are especially common in recently formed secondary forests, thriving where vegetation is regrowing after disturbance. Their frequent presence in such habitats makes them a useful indicator of recent forest change. Within their range they occupy many forest types up to 2 000 m elevation, showing adaptability to varied conditions. This affinity for early-successional growth links their ecology to forest regeneration processes.
- Female northern yellow-shouldered bats are polyestrous, meaning they can become pregnant at any time of the year. A single pup is born after each gestation, and the mother raises only that one offspring before the next cycle begins. In some parts of their range, reproductive activity clusters into two or three peak periods, a pattern that reflects local climate variations.
Sources
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At a glance
RangeCentral and South America
HabitatTropical rainforest
DietFruits and insects
About the Northern Yellow-shouldered Bat
In the lush canopies of the Neotropics, the Northern Yellow-shouldered Bat flits with silent ease, its delicate wings beating at a hypnotic pace as it pursues the sweet, heady aroma of fruiting trees. With an agility that belies its small stature, this diminutive bat navigates the dense foliage with precision, its large eyes shining like dark jewels in the dappled light. As it alights upon a ripe guava or mango, its yellow shoulders glowing like miniature suns, the bat's very presence seems to embody the vibrant, unhurried essence of the tropical night.
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