Endangered species conservation is not an easy undertaking. After all, it's no small feat to rescue countless animals around the world from the threat of extinction. Solutions are rarely straightforward, leaving scientists with a lot of guesswork. So, armed with research and good intentions, they try all sorts of tactics to help propagate populations of rare creatures, and sometimes their strategies seem a little strange. From panther perfumes to dog detectives, scientists are experimenting with weird and wonderful ways to save endangered species. Who knows? They might just work.