Lesser Long-nosed Bat

Lesser Long-nosed Bat

Leptonycteris yerbabuenae

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability <5% · Rare
at Saguaro National Park
18 Verified sightings at Saguaro National Park From 2019 to 2026
19 Verified sightings across all 2 parks From 2019 to 2026
September Best month highest sighting rate
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Lesser Long-nosed Bat

The lesser long-nosed bat (Leptonycteris yerbabuenae) is a medium-sized bat found in Central and North America. It is sometimes known as Sanborn's long-nosed bat or the Mexican long-nosed bat, though the latter name is better avoided since it is also used for the entire genus Leptonycteris and for one of the other species in it, the greater long-nosed bat (L. nivalis).

Originally described as a subspecies of the greater long-nosed bat, it was later considered a subspecies of the southern long-nosed bat, before being confirmed as a distinct species. Enthusiasts for the bats often refer to them simply as leptos because they are the best known members of the genus Leptonycteris. The scientific name is derived from the type locality, near Yerbabuena in Guerrero, Mexico.

Lesser long-nosed bats are relatively small bats, with a total length as adults of around 8 centimetres (3.1 in), and weighing between 15 and 25 grams (0.53 and 0.88 oz), depending on the time of year. Males and females are similar in size, and virtually indistinguishable. As their common name implies, they have a long, narrow snout, and this terminates in a small triangular nose-leaf. While they do have... Wikipedia →

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Daily sighting probability
1 Saguaro National Park 🇺🇸 United States
<5%
2 Bahía de Loreto National Park 🇲🇽 Mexico
Insufficient data

Quick answers

What are the chances of seeing a Lesser Long-nosed Bat in Saguaro National Park?

Under 5% of wildlife watchers report a Lesser Long-nosed Bat sighting in Saguaro National Park, based on 18 verified sightings from GBIF citizen-science data.

When is the best time to see Lesser Long-nosed Bat in Saguaro National Park?

September has the highest sighting rate for Lesser Long-nosed Bat in Saguaro National Park in our monthly data.

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