Bigfoots are Bullshit
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With 2 votes and 11 points ahead, the winner is ...
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THBT: No credible evidence supports the existence of a large yet undiscovered primate species extant in North America.
Bigfoot sightings are regularly reported in North America.
Here's one report from last summer in my region:https://www.bfro.net/GDB/show_report.asp?id=63153
BIGFOOTS (or BIGFEET) are "said to be hairy, upright-walking, ape-like creatures that dwell in the wilderness and leave footprints. Depictions often portray them as a missing link between humans and human ancestors or other great apes."
BULLSHIT (also BULLCRAP) is "a common English expletive which may be shortened to the euphemism bull or the initialism B.S. In British English, "bollocks" is a comparable expletive. It is mostly a slang term and a profanity which means "nonsense", especially as a rebuke in response to communication or actions viewed as deceptive, misleading, disingenuous, unfair or false.
BURDEN of PROOF
Burden of Proof is shared. However, any extraordinary claims should be supported by evidence of extraordinary quality and quantity.
PRO will argue the consensus of science. CON must provide substantive, testable (not mere anecdote and conjecture) evidence that a species of North American primate presently exists unacknowledged by the scientific community.
PRO is requesting sincere and friendly engagement on this subject.
No trolls or kritiks, please.
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- Although the Minimum Viable Population size for large primates is usually estimated in the tens of thousands, some estimates for humans go as low as almost 4,000 individuals. 
- Large, charismatic,mammalian fauna leave behind large amounts of their existence, even species that went extinct tens of thousands of years ago.
- fossil record
- remains trapped in tar pits, peat bogs, glacial ice.
- tufts of hair
- hunting, scavenging, and food remnants
- Although thousands of bits of evidence have been tested purporting to be one of the above, no evidence of a North American primate or unique primate DNA has ever been supported.
- We live in a time of exponentially increasing surveillance, satellite imagery, concealed wildlife cameras everywhere, weather watch and fire watch cameras, infra-red cameras and binoculars scanning the forests for migration data, drones, smart phones, etc.
- Although the average maximum number of pixels used in digital images doubles every couple of years the quality and definition of bigfoot pictures never increases: pictures of bigfoot are always blurry, distant, and indistinct.
- Improved surveillance allowed biologists to identify more than 270 new species last year although only 4 of these were mammals and none were large mammals. The last new primate to be identified was the bonobo in 1929.  
It defies all logic that there is a population of these things sufficient to keep them going. What it takes to maintain any species, especially a long-lived species, is you gotta have a breeding population. That requires a substantial number, spread out over a fairly wide area where they can find sufficient food and shelter to keep hidden from all the investigators.