![What a Vampire Bat Can Teach Us About the Economics of Friendship | At the Smithsonian| Smithsonian Magazine What a Vampire Bat Can Teach Us About the Economics of Friendship | At the Smithsonian| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/LxiyK-uREida4V70Y6VQgsebQMA=/fit-in/1600x0/filters:focal(815x330:816x331)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/c4/5e/c45e215d-7646-4a2d-9586-611fa177e8c7/desmo-boden.jpg)
What a Vampire Bat Can Teach Us About the Economics of Friendship | At the Smithsonian| Smithsonian Magazine
Guernsey Biological Records Centre - Bat Fact 5️⃣: Bats are the only mammals capable of true flight. Although they come in a huge range of sizes they fall into one of two
![Until recently, there used to be giant vampire bats (the size of small fruit bats) in South America. When humans wipes out large herbivores such as ground sloths, these bats went extinct. : Until recently, there used to be giant vampire bats (the size of small fruit bats) in South America. When humans wipes out large herbivores such as ground sloths, these bats went extinct. :](https://external-preview.redd.it/3YhFdHn5S0bhcdvayvQmUenOXJiQ05TQ6cGovbEVVKk.png?auto=webp&s=2dc117b4b9d5ef455b9d94914ba3fe1c207111cf)
Until recently, there used to be giant vampire bats (the size of small fruit bats) in South America. When humans wipes out large herbivores such as ground sloths, these bats went extinct. :
![Hairy-legged vampire bat (Diphylla ecaudata; photo courtesy of M. Tate). | Download Scientific Diagram Hairy-legged vampire bat (Diphylla ecaudata; photo courtesy of M. Tate). | Download Scientific Diagram](https://www.researchgate.net/publication/348521535/figure/fig2/AS:980307863957505@1610735016162/Hairy-legged-vampire-bat-Diphylla-ecaudata-photo-courtesy-of-M-Tate.png)