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 usually recognized by their scent, which is characterized by distinctive odors. The smell of spraints has been described as ranging from freshly mown hay to putrefied fish. Eurasian otter's spraints are dark and sticky, long and deposited in clusters of up to four near water.