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3 encounters
13 June 2012 Silverthorne, Summit County, Colorado Class A #42602

Backpackers hear growls, knocking and observe two large, hairy bipeds at Surprise Lake

The witness and a companion were camped at Surprise Lake at dusk when they heard patterned knocks and rock-on-tree sounds. After the witness threw a rock against a tree and heard a similar sound returned, they saw a large brownish-red animal squatted and swaying behind a tree upslope. They attempted blurry photos while knocks were heard from behind the camp and from the animal's direction before leaving at first light.

Partial sightingWood knockRock throwing
31 August 2009 Burns, Eagle County, Colorado Class A #27075

Bowhunter witnesses woodknocking behavior outside the town of Burns

The witness was bow-hunting elk and reported hearing knocks timed to his steps near a clearing in the afternoon. He then watched through binoculars as a large hair-covered figure struck a log against a dead tree. As he left, knocks continued and he heard a log thrown nearby, later noticing a rancid black puddle on the trail.

Partial sightingWood knockObject throwingOdor
6 August 2001 Mancos, Montezuma County, Colorado Class A #3086

Large creature leaves 12"+ handprints on camper trailer during rainy night

The witness and three companions camped over multiple rainy nights. They heard persistent huffing and a growl, experienced silence and a sense of being watched, and reported a dark shape blocking a camper window. When leaving they later found muddy primate-like handprints high on the camper and a trailer lock twisted and broken.

VocalizationGrowlWood knockPartial sightingHandprint +5