Big Free-tailed Bat

Nyctinomops macrotis

Big Free-tailed Bat (Nyctinomops macrotis)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

The big free-tailed bat is a bat species found in the Americas. Source

Where is the Big Free-tailed Bat now?

In the last 8 weeks this bat was recorded 155 times across 7 areas (each area is a 5 degree square).

See the Big Free-tailed Bat on the live map

Get an email when the Big Free-tailed Bat arrives near you

One email when it arrives in your area after weeks away, never more than once every two months. Confirm by email first; unsubscribe in one click. Your address is stored encrypted and used for nothing else. Privacy

How the Big Free-tailed Bat moves through the year

Over the weeks it was present in the past year, its centre in North America ranged from 28°N in August to 38°N in September, about 1,100 km apart.

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.