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Their rarity aside, their ability to avoid trail cams (there are some debatable images floating about the net of supposed captures, so it's possible we already have some images) would likely be a combination of being aware of human activity when they're in their territories setting up, and a general avoidance of foreign objects.Imagine thinking Bigfoot exists with the number of cameras and people in the woods.
Rofl
Research has shown that coyotes are quite adept at avoiding trail cams, and the Sasquatch would undoubtedly be more capable of avoidance than is a coyote.
Abstract: The primary objective of this study was to develop a better understanding of coyote (Canis latrans) wariness particularly as it related to social status. We determined that territory status (controlling alpha, resident beta, or nonterritorial transient) affected vulnerability to photo-capture by infrared-triggered camera systems. All coyotes were wary of cameras, leading to relatively low numbers of photo-captures, most of which occurred at night. Alphas were significantly underrepresented in photographs and were never photo-captured inside their own territories. Betas were photographed inside and outside their territories, whereas transients were most often photographed on edges of territories. Both alphas and betas were photographed more often on territorial edges when outside their territories. We next addressed the question of how alphas were better able to avoid photo-capture. Alphas tracked human activity within their territories and presumably learned the locations of cameras as they were being set up. They did this either by approaching our location directly or by moving to a vantage point from where they could observe us. Betas and transients either withdrew or did not respond to human activity. Trials in which a dog was present were more likely to elicit an approach response from alphas. Avoidance of camera stations and the tracking of human activity implied wariness toward objects or locations resulting from their learned association with human presence rather than neophobia toward the objects themselves.
Click to expand...
http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1227&context=icwdm_usdanwrc
Also, there's simply a ton of wilderness not covered by trail cameras at all - there's even prohibitions against using them in much of the designated wilderness regions (they're considered installations). You would have to get special permission from the park's services, and your captures would be overseen.
In short, lack of trail cam captures isn't a definitive argument against their existence, and most people aren't anywhere near the deep woods, they're sitting in cities.
