Big-eared Woolly Bat

Big-eared Woolly Bat

Chrotopterus auritus

Silhouette: Edwin Price · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~30% · Possible
at Emas National Park
7 Verified sightings at Emas National Park From 2019 to 2026
39 Verified sightings across all 9 parks From 2019 to 2026
August Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Big-eared Woolly Bat

The big-eared woolly bat or (Peters's) woolly false vampire bat (Chrotopterus auritus) is a species of bat, belonging to the family Phyllostomidae. The name Chrotopterus is derived from Greek roots chariots (skin, color), and pteron (wing). The epithet auritus refers to the large ears.

Big-eared woolly bats are very large predatory bats, the second largest bat species in the neotropics. Their body mass typically ranges from 75 to 96 grams (2.6 to 3.4 oz). The length of the forearm ranges from 79 to 83 millimetres (3.1 to 3.3 in). There are only three New World phyllostomid bats of comparable size. The dorsal hair is about 12 millimetres (0.47 in) long, which is longer than that most of phyllostomid species. They also possess two lower incisors, a trait typically shared with smaller bats.

Big woolly-eared bats live in warm subtropical forests, usually roosting in caves and hollow logs, where prey is returned to before consumption. Geographically, they are found in southern parts of Mexico and extend through Northeastern South America, being found as far south as northern Argentina. They are typically found in areas that also host many other... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Emas National Park 🇧🇷 Brazil
~30%
2 Calakmul Biosphere Reserve 🇲🇽 Mexico
~10%
3 Montes Azules Biosphere Reserve 🇲🇽 Mexico
~10%
4 Tambopata National Reserve 🇵🇪 Peru
~10%
5 Celaque National Park 🇭🇳 Honduras
Insufficient data
6 El Impenetrable National Park 🇦🇷 Argentina
Insufficient data
7 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
Insufficient data
8 Manu National Park 🇵🇪 Peru
Insufficient data
9 Yasuní National Park 🇪🇨 Ecuador
Insufficient data

Quick answers

What are the chances of seeing a Big-eared Woolly Bat in Emas National Park?

About 30% of wildlife watchers report a Big-eared Woolly Bat sighting in Emas National Park, based on 7 verified sightings from GBIF citizen-science data.

When is the best time to see Big-eared Woolly Bat in Emas National Park?

August has the highest sighting rate for Big-eared Woolly Bat in Emas National Park in our monthly data.

← Back to Emas National Park