A 54-year-old man in northern Wisconsin says he has seen Bigfoot several times while fishing.

Dennis Murphy of Plymouth said he first saw two aging Bigfoots while searching for a fishing spot 30 years ago. He didn't say anything at the time out of fear of being ridiculed, he told the Duluth News Tribune

Now he's trying to find them again.

The Big Foot Research Project is also trying to find Bigfoot (pictured right in sketch), using new technology and military search equipment. Reseachers believe there are there are between 2,000 and 6,000 Bigfoots, also known as "Sasquatch," meaning "wild man," living in North America.

The most recent sighting listed on BFR's Web site was last Saturday. A Washington man told researchers he saw something that looked like a man and a bear while fishing with his son.

"All of a sudden, less than 100 yards away, we noticed an entirely black upright creature," the man's report reads. "It immediately walked fast -- didn't run -- up a hill and was gone. We found one print that was about 12 to 13 inches long on the side of the road."

The man said the thing was "totally black, like a black bear. It had no facial features that we could detect at all. It didn't appear to have a nose, eyes, mouth or anything."

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The site lists 15 bigfoots sightings in Wisconsin since 1997. (Check sightings in your state. )

If you see a bigfoot, experts say: don't worry, they probably won't attack you. "Sasquatches have likely had many opportunities to attack humans," according the BFR's Web site. "However, only two reports describe violent attacks on humans."

However, if you have a dog with you, you might have some trouble.

"Sasquatches are known to kill dogs that chase or threaten them," the site reads. "Aggressive dogs have been found torn apart, with Sasquatch tracks around the remains."