Skip to comments.Moose, not men, blamed for mammoth extinction
Posted on 05/11/2006 7:11:10 PM PDT by SJackson
Humans have been blamed for slaughtering woolly mammoths and other large ice-age animals into extinction, but new evidence from Yukon suggests this isn't the case.
Moose were to blame, at least in part, says Dale Guthrie, a researcher at the University of Alaska.
He has found evidence that the climate in Yukon and Alaska was warming between 13,000 and 10,000 years ago, around the time a wave of human hunters moved into North America from Asia. The North was changing from a grassland to a boreal forest and tundra, he says. Moose also arrived, and were better adapted to digest the new, woodier plants that were taking over.
A close examination of the fossil record suggests moose and other browsers probably competed against the mammoths and other ice-age grazers for food, Dr. Guthrie says.
In this week's edition of the British journal Nature, he makes the argument for a less bloody ending to the mystery of what happened to the mammoths, mastodons, camels, giant sloths, horses and beavers as big as black bears that once lived in North America.
They disappeared from the continent around the same time adept hunters known as the Clovis people moved in. Many scientists argue that the timing was not a coincidence. The blitzkrieg theory, put forward in the 1960s, argued that people quickly destroyed the naive beasts unaccustomed to attacks from humans.
Dr. Guthrie says his evidence doesn't support the idea that animals died in a bloodbath. But it does back up a competing, although less popular, theory that says the warming climate led to their demise.
He examined more than 600 bones in Alaska and the Yukon territory, sifting through them to get several dozen from the period when the Clovis began populating North America.
He found that three animals -- bison, an elk-like creature called a wapiti and moose -- all increased their numbers during human colonization.
As people moved in from Asia, Dr. Guthrie's fossil finds show that moose moved with them. They were better at digesting the available food than mammoths and horses.
Horses, he says, were already decreasing in both size and number in the North before the Clovis people arrived. The horses disappeared before the mammoths, which is a blow to the keystone theory of the extinctions. It says that mammoths were a key species because they ripped out growing forests and kept the land more open for other grazers. Humans hunted them to extinction, which led to the demise of other herbivores. But if the horses died first, the theory doesn't stand, Dr. Guthrie says.
He also says that many large animals, including camels, giant beavers, ground sloths, mastodons, short-faced bears and sabre-tooth cats all disappeared from the fossil record in the North before the Clovis people arrived.
His work suggests that humans are not to blame for the fact that North America has so few big animals compared with Africa. The North is where the encroaching humans first encountered the large beasts. If they didn't kill them in Yukon and Alaska, he says, it doesn't makes sense that they exterminated the same animals as they slowly moved further south.
But others aren't so sure. Researchers have proposed that disease carried by humans may have jumped to their dogs, and then to wild animals.
Anthony Barnosky, a paleobiologist at the University of California in Berkeley, argues that both humans and the shifting climate were to blame. Further south on the continent, the extinction of the large animals happened later, during a period when there is solid evidence humans were hunting them.
The mammoth was the paleolithic SUV, it deserved to die.
Those darned mooses and their evil SUVs did it!
"Follow the Cheese, Luke."
Balderdash! Moose are responsible for biting my sister!
Talk about success, this animal has a full 1/4 of the Earth's land surface given over to its grazing needs.
aw come on, it was the illegal moose invasion ... :)
Remember the episode of 'Northern Exposure' where a backwoods guy chainsawed a wooly for meat?
You mean Hollings, I miss that show.
NE was ahead of its time. Too bad its humor was too subtle for American tastes.
Jeeze. I must have missed the e-mail. Was I supposed to feel guilt over that one too?
Between the Crusades, the Spanish Inquisition, the Atlantic Slave Trade and the arrest of Susan B. Anthony, I have been so damn busy with guilt that it's hard to keep up.
We need a way to automate this stuff.
Is this where I can finally say, "All your Moose are belong to us"?
The greatest moments of that show always had to do with death and funerals. One of Maggies boyfriends getting killed by a satellite and the trebuchette funeral for Chris's biker buddy.
I'm suprised the "A moose bit my sister" routine has started yet.
Probably didn't help that Rob Morrow bailed. Maybe he saw what was coming?
Maybe the mammoth was just too stupid to survive? Global warming/climate change?
I fell asleep listening to C2CAM last night. A "cryptozoologist" said the sabre toothed tiger was pretty dumb compared to some other cat. Perhaps that was the
case with the mammoth?
That was great, but the native Aleutian lady (who, according to all accounts playd her part as she lives her life), was so funny. The episode when she went to the city still stays in my mind!
(headed for IMDB to get the details)
NE was a great show...very relaxing. Love "Numbers"!! It's noticeable that the show is also not "intense".
C'mon. It was a very funny TV show. No need to get angry.
Actually, even newer evidence shows it's all Bush's fault...
Proof that humans cause global warming.
Just that they [producers] squandered and mishandled what should have been a long running classic.
Jumped the shark early. Yes, I agree that is sad.
Mynd you, møøse bites Kan be pretty nasti...
My senator, Debbie Stabenow, proves that mammoths evolved into fat communists.
I guess that makes two.
It did, you must have missed it. See post #15.
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a moose once bit my woolly mammoth!
The whole humans-slaughtered-the-mammoths thing is a complete myth.
Look at ancient America... the native Americans could have tried to wipe out the buffalo until hell froze over and never would have gotten even close - until two things happened - the horse, and the firearm.
And compared to a mammoth, a 3,000 lb buffalo is small change.
Mind you now, moose bites can be pretty nasti.
Both rabbits and moose eat the same thing but don’t compete since moose eat high on the shrubs and rabbits nibble around the bottom. It would be hard to imagine moose out-eating mammoths unless there were a lot of moose. The most moose do now is leave the hedge kind of irregular.
Should have kept your pants up.
Moose bit my sister
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of course it’s impossible that these animals could have been wiped out in a worldwide Flood /sarc
So... Bullwinkle’s ‘dumb moose’ act was just an attempt to hide his guilt?
I should have suspected as much.
Great minds think alike.
Now that Moose has been found out, how soon before Squorrel has his dirty laundry exposed?
No, the mammoths died of extinction, fat Debbie hasn't gotten that memo nor have the others here in Michigan.........