Spraints are typically identified by smell and are known for their distinct odors, the smell of which has been described as ranging from freshly mown hay to putrefied fish. The Eurasian otter's spraints are black and slimy,  long and deposited in groups of up to four in prominent locations near water.
Spraints are typically identified by their distinctive odor, described as ranging from the scent of freshly mown hay to that of putrid fish. The Eurasian otter's spraints are black and sticky, elongated, and often left in groups near water.