![Loài chim sẻ sở hữu vẻ ngoài đáng yêu nhưng lại là 'ma cà rồng' trong thế giới tự nhiên](https://nguoinghe24h.com/wp-content/uploads/2023/12/08tb-vampirebird1-superjumbo-v2-1664100946766909803525.jpg)
The “vampire” sparrow specializes in drinking crazy bird blood
Red-footed boobies on Wolf Island in the Galápagos Islands are falling victim to vampire finches instead of predatory mammals. Sparrows surround a crazy bird to drink blood. (Photo: simonjpierce) Living on Wolf and Darwin islands, the vampire sparrow …