Largest bat colony (current)

Largest bat colony (current)
Who
Bracken Cave, San Antonio, Texas, Tadarida brasiliensis, Brazilian free-tailed bats
Where
United States (San Antonio)
When
2019

The largest concentration of bats found living anywhere in the world today is that of the Mexican free-tailed bat (Tadarida brasiliensis) in Bracken Cave, San Antonio, Texas, USA, where up to 20 million females and offspring gather.