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(Mother Nature Network)   Over the decades people have wondered if Native Americans, aliens, earthquakes or floods created the 8-foot tall, 30-foot wide Mima mounds that cover Washington's prairie land. Turns out, it was just gophers   (mnn.com) divider line 59
    More: Interesting, Mima mounds, floods, earthquakes  
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7191 clicks; posted to Main » on 06 Dec 2013 at 12:41 PM (32 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-12-06 11:30:52 AM
www.back9network.com
 
2013-12-06 12:19:40 PM
So, rodents of unusual size?
 
2013-12-06 12:44:08 PM

bearded clamorer: [www.back9network.com image 500x263]


Carl Spackler's gonna have to buy a MOAB to handle those.
 
2013-12-06 12:49:18 PM
When you have excluded the impossible, whatever remains, however improbable, must be the truth
 
2013-12-06 12:50:31 PM
ecx.images-amazon.com
 
2013-12-06 12:52:46 PM
"What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?
 
2013-12-06 12:54:51 PM

p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


t0.gstatic.com
 
2013-12-06 12:55:19 PM

p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?



Beaver Dams
Ant Hills
 
2013-12-06 12:55:42 PM

bearded clamorer: [www.back9network.com image 500x263]


Done in one.
 
2013-12-06 12:56:00 PM

My Money was on the Vikings coming down the St. Lawrence and then roughly going the same route as that Lewis Clark did later.


thornews.files.wordpress.com



North American Rune Stones


Vikings in South America
 
2013-12-06 12:56:11 PM

p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


dams
 
2013-12-06 12:56:48 PM

p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beavers. Change the landscape second only to humans with their dams.
 
2013-12-06 12:58:07 PM
Same thing with Stonehenge
 
2013-12-06 12:59:13 PM
caddisfly:
[t0.gstatic.com image 275x183]

and everybody else who pointed out beaver dams.  I was truly drawing a blank.
 
2013-12-06 01:03:59 PM
Some researcher fenced off an area of short-grasses prairie to see what would happen. All kind of different plants sprouted up and grew tall inside the fenceline even though it was all short outside the fence. It turns out critters have a big impact on the land even though you don't see them very much.
 
2013-12-06 01:04:54 PM

p0nk: caddisfly:
[t0.gstatic.com image 275x183]

and everybody else who pointed out beaver dams.  I was truly drawing a blank.


Elephants have dug caves.
Other rodents build mounds, too.
Gorillas build nests (albeit temporary)
 
2013-12-06 01:05:26 PM

p0nk: caddisfly:
[t0.gstatic.com image 275x183]

and everybody else who pointed out beaver dams.  I was truly drawing a blank.


I have one of those dams about 100 yards from my house so I'm kind of cheating. Beavers are incredibly industrious, and if left alone they can fell several trees each month. It's all pretty benign until it starts raining and flooding. Then again, what do you expect when living in the Beaver State?
 
2013-12-06 01:05:38 PM

RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills


Termite hills

img.fark.net
 
2013-12-06 01:06:32 PM
The Orgeon Outback and washington prairie are really cool places to visit for a few minutes.
 
2013-12-06 01:07:27 PM

George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills

Termite hills

[img.fark.net image 600x450]


variety

img.fark.net
 
2013-12-06 01:08:34 PM
Giant Space Hamsters that escaped from a GSM exploration ship?/obscure?
 
2013-12-06 01:08:43 PM

RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills


pretty certain that ants are not mammals ... but we know what you meant
 
2013-12-06 01:11:02 PM
Meanwhile in Eastern Washington, there are similar mounds that are thought to have been created when a giant glacial dam about a mile tall collapsed at the end of the last ice age, causing a massive flood that deposited soil in the form of mounds when currents were just right.

The idea of there being a glacier face a mile tall is somewhat unimaginable.
 
2013-12-06 01:18:22 PM

Dinjiin: Meanwhile in Eastern Washington, there are similar mounds that are thought to have been created when a giant glacial dam about a mile tall collapsed at the end of the last ice age, causing a massive flood that deposited soil in the form of mounds when currents were just right.

The idea of there being a glacier face a mile tall is somewhat unimaginable.


The Lambert Glacier is apparently 1.5 miles deep. I know that doesn't equal tall, but it does give the setup for the possibilty.
 
2013-12-06 01:20:15 PM

George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills

Termite hills

[img.fark.net image 600x450]


Termite and ant mammals sound scary.  I hope I never run into one.

Also a beaver is like 10-20 times the size of a pocket gopher.

Although it is a bit misleading because it's generations not a single gopher making them, for reference mammals the size of a large hamster made these (from what they are saying):

seattletimes.com
 
2013-12-06 01:23:59 PM

IRQ12: George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills

Termite hills

[img.fark.net image 600x450]

Termite and ant mammals sound scary.  I hope I never run into one.

Also a beaver is like 10-20 times the size of a pocket gopher.

Although it is a bit misleading because it's generations not a single gopher making them, for reference mammals the size of a large hamster made these (from what they are saying):

[seattletimes.com image 296x349]


Yeah, I didn't see the mammal part. Thankfully insects don't have lungs or we might have problems akin to what you're suggesting. Those are some industrious hamsters. Maybe their prodigious breeding patterns are a holdover from when they used to work each other to death to make the biggest mounds on the plains. . .
 
2013-12-06 01:25:10 PM
Mima, 
Mima, 
The sun shines east, the sun shines west, 
I know where the sun shines best-- 
Mima, 
My little Mima,
 
2013-12-06 01:27:02 PM

George Babbitt: insects don't have lungs


wat?
 
2013-12-06 01:27:26 PM

RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills


It's proportionally larger than termite mounds?
 
2013-12-06 01:28:45 PM
I'm not saying it was gophers... but it was gophers.
 
2013-12-06 01:29:30 PM

caddisfly: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?

[t0.gstatic.com image 275x183]


I think, but don't quite know for sure, that the author meant  one gopher at a time. That being, each generation a single gopher contributed to it, rather than a collective effort. Not to mention I am not aware of a beaver dam that is 8ft high and 30ft across, but I freely admit my general ignorance pertaining to beavers in general, outside of my own.
 
2013-12-06 01:30:36 PM

vudukungfu: George Babbitt: insects don't have lungs

wat?


Insects don't have lungs.

They have spicules that lead into internal body cavities, but they don't have the huge surface area provided by all the alveoli.  One of the size-limiting features of insects.
 
2013-12-06 01:30:39 PM

George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?

Ant Hills
Termite hills


I am aware of numerous insect-made structures.  and before anybody posts pictures of bird nests, i am aware of bird-built structures as well.   Do not need to see examples of reptile, amphibian, or fish built structures either.
 
2013-12-06 01:30:58 PM

vudukungfu: George Babbitt: insects don't have lungs

wat?


Insect don't have lungs
 
2013-12-06 01:32:56 PM
stubbornthoughts.files.wordpress.com
 
2013-12-06 01:34:28 PM

FrancoFile: One of the size-limiting features of insects.


And thank all that is holy for that.
 
2013-12-06 01:38:28 PM

p0nk: George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?

Ant Hills
Termite hills

I am aware of numerous insect-made structures.  and before anybody posts pictures of bird nests, i am aware of bird-built structures as well.   Do not need to see examples of reptile, amphibian, or fish built structures either.


I think that most of the mammalian structures that are built are going to be subterranean based on the theories surrounding how mammals survived some of the extinction events in our planet's history. That leaves you with rather amazing structures such as the complex burrows of many rodents that you can't really appreciate visually as we do so many other above ground structures. But there is this guy that has been dumping molten aluminum down ant hills to get a inverse copy of the structure. Of course all the ants die and nobody cares about ants, so he continues his research. He'd probably have more blowback if he tried it on a prairie dog mound.
 
2013-12-06 01:42:51 PM
So... they can't just open them up and see if they're full of gophers?

/and then kill all the gophers
//Check me if I'm wrong Sandy..
 
2013-12-06 01:46:29 PM
I've been to these mounds in Littlerock a few times. It's a nice stop between Seattle and Portland.

There's a couple placards on the observation deck that mention the mounds having played a part in the Paul Bunyan story. Apparently the mounds are piles of dirt left over from digging the Pacific.
 
2013-12-06 01:48:37 PM
George Babbitt:
I think that most of the mammalian structures that are built are going to be subterranean based on the theories surrounding how mammals survived some of the extinction events in our planet's history. That leaves you with rather amazing structures such as the complex burrows of many rodents that you can't really appreciate visually as we do so many other above ground structures. But there is this guy that has been dumping molten aluminum down ant hills to get a inverse copy of the structure. Of course all the ants die and nobody cares about ants, so he continues his research. He'd probably have more blowback if he tried it on a prairie dog mound.

Now that's pretty cool stuff ... unless you're an ant.
 
2013-12-06 01:57:11 PM

FrancoFile: Insects don't have lungs.

They have spicules that lead into internal body cavities, but they don't have the huge surface area provided by all the alveoli.  One of the size-limiting features of insect


But they inhale bug spray, don't they?
 
2013-12-06 01:57:48 PM
My new band name is Buglungs.
 
2013-12-06 02:02:06 PM

Dinjiin: Meanwhile in Eastern Washington, there are similar mounds that are thought to have been created when a giant glacial dam about a mile tall collapsed at the end of the last ice age, causing a massive flood that deposited soil in the form of mounds when currents were just right.

The idea of there being a glacier face a mile tall is somewhat unimaginable.


The Missouri floods are pretty much known to be a fact.  Most of western Montana got flooded by that ice dam, and when it broke, it created the largest waterfall in history at Dry Falls and left us the Pallouse.  The overlook there off of HWY 2 is pretty spectacular.
 
2013-12-06 02:03:30 PM
Thanks for all the links.

This has been one of the more intersting Fark threads.

Now off to the Politics tab to blunt my intelligence.
 
2013-12-06 02:12:28 PM
Nice call subby.. "Decades" is much better than the "centuries" used in TFA. Then again, it's LiveScience, so it's not like I should expect accuracy. Seriously, I was just thinking about them yesterday, realized I hadn't heard them far something up I awhile, and was hoping that they had fallen off of the Interwebs. Apparently not.
 
2013-12-06 02:13:20 PM

George Babbitt: RightWingWacko: p0nk: "What's really cool about this is scaled by body size, these are the largest structures built by any mammal not including humans,"

Other structures built by non-human mammals such as?


Beaver Dams
Ant Hills

Termite hills


Termites and ants are mammals? Interesting...
 
2013-12-06 02:19:48 PM

johnnieconnie: So, rodents of unusual size?


I don't believe they exis-
 
2013-12-06 02:27:24 PM
Mikey1969:Termites and ants are mammals? Interesting...

Read the thread.
 
2013-12-06 03:23:18 PM

George Babbitt: Mikey1969:Termites and ants are mammals? Interesting...

Read the thread.


Shush, let's milk the ants for all they're worth.
Or let the ants milk.
upload.wikimedia.org
 
2013-12-06 03:29:36 PM
Yeah, it's not worth making a special trip or anything, but if you're in the area anyway, the Mounds offer you some interesting scenery while you get a little exercise..
 
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