With the demise of the wolverine (Gulo luscus Linnaeus) in the Adirondacks in the late 1700’s or early 1800’s, the river otter became the region’s largest member of the weasel family. Adults weigh 5.4 ...

Footage of an otter and its cub on a river bank in the national park ... said the footage shows the animals sniffing for spraints (droppings) left by other otters - which locates their presence.

Eurasian otters largely communicate with each other by leaving scent marks (spraint, anal jelly, smears or tars) in prominent locations such as large boulders on river banks. Despite the established ...