The status of many carnivore populations is of growing concern to scientists and conservationists, making the need for data pertaining to carnivore distribution, abundance, and habitat use ever more pressing. But the elusive and wide-ranging nature of many carnivore species makes them inherently challenging to study. Recent developments in "noninvasive" research techniques have resulted in a greatly expanded toolbox for the wildlife practitioner and are presented here in a straightforward and readable style.