Scientists are using dogs instead of traps to study rare endangered species, and it's working

Scientists studying hard-to-find endangered species are often left with a difficult choice when it comes to locating specimens to research. They can attempt to find the animals themselves, spending hours, days, or even weeks on what can sometimes be a fruitless endeavor, or they can set traps, which are more efficient but can harm or even kill the very creatures they're attempting to save. Now, a third option is showing some serious promise, and it's all thanks to some very good dogs. Scientists...