In a first, these bats were found to have toes that glow
Hairs on the feet of Mexican free-tailed bats fluoresce under UV light
![The very hairy back feet of a Mexican free-tailed bat light up under ultraviolet light. This image shows just the back half of a bat next to a ruler for scale.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/08/082024_jjb_bat_toe_glow_feat.jpg?fit=1030%2C580&ssl=1)
Under an ultraviolet light, toe structures on this Mexican free-tailed bat glow a brilliant cyan.
F. Gual-Suárez
Hairs on the feet of Mexican free-tailed bats fluoresce under UV light
Under an ultraviolet light, toe structures on this Mexican free-tailed bat glow a brilliant cyan.
F. Gual-Suárez