The destruction can be traced back to a single culprit: the feral cat, which kills more than 1.5 billion native mammals, birds, reptiles, and frogs, as well as 1.1 billion invertebrates annually.
A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows. These wild wonders were among the hundreds of previously unknown species ...