![Smithsonian Insider – Scientists find ultrasonic calls of bats also serve a social function | Smithsonian Insider Smithsonian Insider – Scientists find ultrasonic calls of bats also serve a social function | Smithsonian Insider](https://insider.si.edu/wp-content/uploads/2010/06/DSCN1924.jpg)
Smithsonian Insider – Scientists find ultrasonic calls of bats also serve a social function | Smithsonian Insider
![Multimedia Gallery - The greater bulldog bat, or fishing bat, listens for echoes over the water to detect its fish prey. | NSF - National Science Foundation Multimedia Gallery - The greater bulldog bat, or fishing bat, listens for echoes over the water to detect its fish prey. | NSF - National Science Foundation](https://www.nsf.gov/news/mmg/media/images/Noctilio_leporinus_jon.jpg)
Multimedia Gallery - The greater bulldog bat, or fishing bat, listens for echoes over the water to detect its fish prey. | NSF - National Science Foundation
![Víctor Romero on X: "A close up of the Lesser Bulldog Bat in Villano, Pastaza province, Ecuador, by @JorgeBritoM #MamíferosDelEcuador https://t.co/rxtxoQ7vMn" / X Víctor Romero on X: "A close up of the Lesser Bulldog Bat in Villano, Pastaza province, Ecuador, by @JorgeBritoM #MamíferosDelEcuador https://t.co/rxtxoQ7vMn" / X](https://pbs.twimg.com/media/DbEV5GIXcAA4XY9.jpg)