Lesser Long-nosed Bat (Leptonycteris yerbabuenae) lives in cactus across Southwestern North America. It feeds on nectar and pollen. Its conservation status is Near Threatened.
Fascinating facts about the Lesser Long-nosed Bat
- The lesser long-nosed bat can withstand extreme heat, surviving temperatures as high as 41 °C. This remarkable tolerance is linked to its unusually low metabolic rate, which reduces internal heat production. It lives in semi-arid grasslands, scrub and forest areas that lie below about 550 m elevation. These habitats provide the open spaces the bat needs for its energy-efficient long-distance flight.
- Some lesser long-nosed bats embark on migrations of up to 1 600 km each year, travelling between winter and summer feeding grounds. Their routes are not random; they track the seasonal bloom of nectar-rich plants such as cacti and agave, moving northward when these resources become available. This pattern ensures they can feed on night-blooming flowers throughout the year. The long journeys are undertaken by individuals that breed in different parts of the range.
- The bat's tongue is covered with long ridges and rough, conical papillae that scrape its teeth while it laps nectar from flowers. This specialised surface not only improves nectar uptake but also appears to protect the animal from periodontal disease by keeping its teeth clean. The adaptation is essential for feeding on night-blooming cacti and agave, whose sugary nectar is the bat's primary diet.
- Lesser long-nosed bats possess three internal caudal vertebrae but lack any external tail, giving them a truly tail-less silhouette. This internal structure is noted despite the absence of a visible appendage. In contrast, two of the only three other North American nose-leaf bats - the Mexican long-tongued bat and the California leaf-nosed bat - do have distinct tails. The missing tail helps distinguish the species from its relatives.
- Lesser long-nosed bats never enter torpor or hibernate, and they die when ambient temperatures drop below about 10 °C. They can nevertheless endure extreme heat, tolerating temperatures up to 41 °C thanks to an unusually low metabolic rate. Their preferred habitats are semi-arid grasslands, scrub or forest areas below roughly 550 m elevation, environments that expose them to both temperature extremes.
Sources
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At a glance
RangeSouthwestern North America
HabitatCactus
DietNectar and pollen
About the Lesser Long-nosed Bat
As the sun dips below the horizon, the Lesser Long-nosed Bat stirs, its delicate wings unfolding like a whisper as it takes to the evening skies. With a gentle flutter, it navigates the warm air currents, its long, pointed snout twitching with every subtle shift in the scent of nectar-rich flowers, guiding it to the next succulent feast. In this mystical dance of twilight and fragrance, the Lesser Long-nosed Bat embodies the very essence of nocturnal elegance, its every movement a testament to the refined beauty of adaptation.
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