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Minnesota Calls Off Moose Season Due to Declining Population

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February 07, 2013

Minnesota Calls Off Moose Season Due to Declining Population

By Chad Love

Remember last week's blog post on Minnesota's declining moose population and what it might mean for that state's moose season?  Apparently, it means it's being shut down...

From this story on Fox News:
Minnesota canceled the state's 2013 and future moose hunting seasons Wednesday, citing a "precipitous" decline in the moose population. Department of Natural Resources officials said in a news release that their annual aerial survey to estimate Minnesota's moose population was "extremely disappointing." The survey conducted last month pegged the population at 2,760 animals, down from 4,230 last winter. Minnesota's moose numbers were estimated as high as 8,840 in 2006.

Officials say the moose population has been in decline for years, but never at the rate biologists documented this winter. According to the story, although scientists believe Minnesota's small, bulls-only moose hunt has not been a factor in the decline, it should be suspended while researchers try to figure out what's going on. Higher temeperatures, parasites, disease, competition from deer and vegetation changes have all been cited as possible culprits for Minnesota's mysterious moose crash.

Comments (15)

Top Rated
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from Ontario Honker ... wrote 18 weeks 2 days ago

I think everyone will have to agree that's not a bad idea. If the hunter groups get on board with that decision it will make them look very good. Kinda like when the hunter groups in Arizona endorsed compulsory non-lead bullets for deer hunting in areas adjacent to Grand Canyon. Lead poisoning was creaming efforts to reestablish the California condor. The condors scavenged gut piles which, as we know, frequently have lead bullets or fragments in them. Anyway, the positive attitude of the sportsmen groups went a very long ways towards putting some shine on an image that gets a lot of tarnish these days. Nice to see them and the National Park Service on the same page for once. Boy, is that rare!

+2 Good Comment? | | Report
from rock rat wrote 18 weeks 1 day ago

Isn't that strange,,,, all moose hunting has been stopped around Jackson Wyoming, now what do these two places have in common?

Ontario Honker I used to think about lead in bullets as you do, but now it turns out that lead levels in condors are from a different source than bullets. I still use Barnes but I've changed my ideas about lead.

+2 Good Comment? | | Report
from hhack wrote 18 weeks 1 day ago

Wonder if the there is a correlation between the wolf population increase and the moose population decrease? Of course even if there was we would never hear about it.

0 Good Comment? | | Report
from chuckles wrote 18 weeks 1 day ago

rock rat, where is the lead coming from?

0 Good Comment? | | Report
from Ontario Honker ... wrote 18 weeks 8 hours ago

Rock Rat, I haven't found any information indicating that the lead poisoning in California condors is not overwhelmingly caused by ingesting bullet fragments in dead animals or gut piles. If you have some other information I'd like to see it.

0 Good Comment? | | Report
from JohnR wrote 18 weeks 7 hours ago

There was a thread in this very section last year (or maybe the year before) when the California Condor controversy was big news. The thread cited an investigation that found a high level of natural lead in the Condor's feeding area. I don't remember the vector or how it got into the Condor's food chain. The initial investigation asked for further investigation, but the thread sort of morphed into a discussion about the evils of lead bullets. Personally, I have no issue with using all copper bullets. I would however think it prudent and in the best interest of the Condor and the environment to be positive of the actual cause of lead poisoning in the California Condor. I offer this as just a thought.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 6 days ago

Note that I said "overwhelmingly". Lead, like mercury and just about any other toxic heavy metal, can be found naturally in many environments. And that's a good thing because many of them are essential elements necessary (in minute quantities) for a healthy body. Studies have shown that lead does naturally occur in the Grand Canyon environment, but in trace amounts. The evidence is fairly conclusive that lead bullets were causing the problem. In just one non-lead hunting season the level of lead in condors, which had become quite critical, all but disappeared. However, the quantity of lead occurring naturally has not changed, therefore it's pretty much a given that lead bullets were the culprit.

0 Good Comment? | | Report
from Bioguy01 wrote 17 weeks 6 days ago

Funny...predation should also be listed as a possible culprit. I would imagine moose calves would make a pretty tasty meal for large carnivores.

0 Good Comment? | | Report
from Jerry507 wrote 17 weeks 6 days ago

Wolves aren't new to moose in northern MN. DNR will figure it out with real science, no innuendo.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 6 days ago

Bioguy, if you run into a cow moose in the bush with a young calf ... find a tree you can climb and in a hurry! She will stomp you into a bloody sack of mush in a heartbeat. As I stated before, it can take a cow up to three years to raise a calf. They have a lot invested in them and consequently are EXTREMELY protective. A calf moose is no easy meal for large carnivores.

0 Good Comment? | | Report
from rock rat wrote 17 weeks 6 days ago

This is going to be off topic so skip it to continue reading about wolves causing a moose population crash.

Honker I use Barnes copper bullets. I bought them thinking lead was a no brainer.Then I ran into some articles and started digging. Almost everything you read in newspapers or Mother Jones is going to be from a certain perspective, and the other side of things never seems to get heard, despite winning time and again in court. Because of the science.

A few years ago a physician in N Dakota showed Xrays of donated meat with lead in it. Big to do. A halt on all donated meat in the state. Big study by our Center for Disease Control. Blaring headlines that there were elevated levels of lead in the blood of people and their families who eat game compared to the control population in N Dakota. The horror.

The physician is on the board of some raptor organisation. Turns out the elevated levels of lead are still far below the national average. If you eat game in N Dakota you have less lead in you than if you live in a big city on either coast and don't eat game. These are the findings of our Center for Disease Control, who really aren't in the pocket of the NRA. They don't know how little lead is harmful, and they wont' recommend any lead bullets, but I will recommend you don't live in big American cities.

You'd be safer moving to the countryside than switching to unleaded bullets.

Acid rain frees up naturally occurring lead in the ecosystem. The type of lead in bullets is very difficult to get into your system. Unless maybe you have a gut that ingests tiny BBs of lead to help grind up food and digest them with acids like ducks and geese.

Our National Forest Service has done extensive testing looking for leaching at shooting ranges too.

I've changed my mind on lead. I'll probably be switching back to Noslers. The Barnes hang together too much, I want something that's going to blow up a little.

Notice too that the orgs bringing the lead suits against our govt are the weird ones, not main stream environmentalists.

0 Good Comment? | | Report
from rock rat wrote 17 weeks 6 days ago

www.huntfortruth.org/site/

pro lead web site probably the amo makers.

0 Good Comment? | | Report
from mike0714 wrote 17 weeks 5 days ago

Here in AZ the use of lead bullets on the Strip and Kaibab has been part of an optional hunter initiative. There is proof that condors are dyeing from lead poisoning. it has yet to be discovered if it is due to bullets, mining, water contamination or other causes. BUT there is evidence that the birds have consumed bullet fragments. which can cause lead poisoning. So there has been an almost universal choice of hunters to use non lead rounds in condor areas. It might not help but it can't make things any worse. I, like many others I know who hunt and camp on the Kaibab/The Strip would rather see these magnificent birds then shoot lead bullets. If it is possible to save a bird by not shooting lead it is worth it in my book.

On the argument of the moose population decline wolves can definitely a major factor. Wolves are the major natural predator of moose. Most moose that are killed are younger than 3 years or older than 8. The death of young moose can really hurt a population especially when 3 year olds are the adolescent populations. Cows may also take a year off in between raising calfs. There is also evidence that defenses moose have to ward off wolves are learned not instinctual and in areas where wolf numbers are rebounding this can be detrimental to moose numbers because hunting is instinctual for wolves. Also a single wolf pack can double in a few year while moose numbers grow much slower. With wolf numbers increasing and needing more food (moose) prey number are sure to drop.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 4 days ago

Nice, Mike. Thanks for that. However, as has been pointed out, wolves in Northern Minnesota are nothing new. And as far as I know the population hasn't really exploded terribly (mostly due, I think, to increased urban sprawl and cottaging up there). Also, we are in the midst of an extended mange epidemic here and I expect it is as bad across the border. And, finally, wolves in Minnesota will prefer hunting whitetail deer which are extremely abundant. They're much easier to bring down than moose! I expect they are going to find that the causes are either increased level of tics due to warming (we have had several TERRIBLE tic seasons here the last couple of years - worst I have ever seen!) and/or the burgeoning deer population. As I suspect you know, deer carry brainworm parasite which they can live with but which is fatal to moose. Consequently, the two species often don't coexist very well in the same environment. And yes, tics are a major killer of moose. Though I have yet to find any on the moose I have shot (which seems odd because I ALWAYS find them on deer), we have what is called a winter tic which quite effectively sucks them dry. It's a big problem in Northern Manitoba this time of year with many moose becoming so weak from tic infestations that they can't handle the deep snow so they stick to the roadways. A bad situation all the way around!

0 Good Comment? | | Report
from Bioguy01 wrote 17 weeks 2 days ago

OHH - Perhaps your right about female moose defending their calves. I'm not as familiar with moose behavior and biology as I am with whitetails, though they do intrigue me. Wolves also intrigue me, and although deer are a much more abundant prey species, wolves tend to prefer larger prey species. Wolves are a pack hunting animal, therefore the energy return on investment must be high so the entire pack will have enough to eat. In fact, if you look at the entire map of current wolf existence, you will see that they only persist in areas where large prey species occur in abundance (moose, caribou, elk, bison, etc). If they were a more solitary animal, such as the coyote, then deer might be more of a menu option. If you look at range maps of wolves and moose in Minnesota, you will see that moose and wolf home ranges within that state are nearly identical. Since wolf populations throughout the US are currently higher than in the recent past, it is hard to ignore that wolf predation may be a piece in this population reduction puzzle. I'm not saying it's the soul driver of the decline, just a piece of the puzzle.

Hopefully MDNR will tease apart the various factors driving this moose population decline in the upcoming years.

0 Good Comment? | | Report

Post a Comment

from Ontario Honker ... wrote 18 weeks 2 days ago

I think everyone will have to agree that's not a bad idea. If the hunter groups get on board with that decision it will make them look very good. Kinda like when the hunter groups in Arizona endorsed compulsory non-lead bullets for deer hunting in areas adjacent to Grand Canyon. Lead poisoning was creaming efforts to reestablish the California condor. The condors scavenged gut piles which, as we know, frequently have lead bullets or fragments in them. Anyway, the positive attitude of the sportsmen groups went a very long ways towards putting some shine on an image that gets a lot of tarnish these days. Nice to see them and the National Park Service on the same page for once. Boy, is that rare!

+2 Good Comment? | | Report
from rock rat wrote 18 weeks 1 day ago

Isn't that strange,,,, all moose hunting has been stopped around Jackson Wyoming, now what do these two places have in common?

Ontario Honker I used to think about lead in bullets as you do, but now it turns out that lead levels in condors are from a different source than bullets. I still use Barnes but I've changed my ideas about lead.

+2 Good Comment? | | Report
from hhack wrote 18 weeks 1 day ago

Wonder if the there is a correlation between the wolf population increase and the moose population decrease? Of course even if there was we would never hear about it.

0 Good Comment? | | Report
from chuckles wrote 18 weeks 1 day ago

rock rat, where is the lead coming from?

0 Good Comment? | | Report
from Ontario Honker ... wrote 18 weeks 8 hours ago

Rock Rat, I haven't found any information indicating that the lead poisoning in California condors is not overwhelmingly caused by ingesting bullet fragments in dead animals or gut piles. If you have some other information I'd like to see it.

0 Good Comment? | | Report
from JohnR wrote 18 weeks 7 hours ago

There was a thread in this very section last year (or maybe the year before) when the California Condor controversy was big news. The thread cited an investigation that found a high level of natural lead in the Condor's feeding area. I don't remember the vector or how it got into the Condor's food chain. The initial investigation asked for further investigation, but the thread sort of morphed into a discussion about the evils of lead bullets. Personally, I have no issue with using all copper bullets. I would however think it prudent and in the best interest of the Condor and the environment to be positive of the actual cause of lead poisoning in the California Condor. I offer this as just a thought.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 6 days ago

Note that I said "overwhelmingly". Lead, like mercury and just about any other toxic heavy metal, can be found naturally in many environments. And that's a good thing because many of them are essential elements necessary (in minute quantities) for a healthy body. Studies have shown that lead does naturally occur in the Grand Canyon environment, but in trace amounts. The evidence is fairly conclusive that lead bullets were causing the problem. In just one non-lead hunting season the level of lead in condors, which had become quite critical, all but disappeared. However, the quantity of lead occurring naturally has not changed, therefore it's pretty much a given that lead bullets were the culprit.

0 Good Comment? | | Report
from Bioguy01 wrote 17 weeks 6 days ago

Funny...predation should also be listed as a possible culprit. I would imagine moose calves would make a pretty tasty meal for large carnivores.

0 Good Comment? | | Report
from Jerry507 wrote 17 weeks 6 days ago

Wolves aren't new to moose in northern MN. DNR will figure it out with real science, no innuendo.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 6 days ago

Bioguy, if you run into a cow moose in the bush with a young calf ... find a tree you can climb and in a hurry! She will stomp you into a bloody sack of mush in a heartbeat. As I stated before, it can take a cow up to three years to raise a calf. They have a lot invested in them and consequently are EXTREMELY protective. A calf moose is no easy meal for large carnivores.

0 Good Comment? | | Report
from rock rat wrote 17 weeks 6 days ago

This is going to be off topic so skip it to continue reading about wolves causing a moose population crash.

Honker I use Barnes copper bullets. I bought them thinking lead was a no brainer.Then I ran into some articles and started digging. Almost everything you read in newspapers or Mother Jones is going to be from a certain perspective, and the other side of things never seems to get heard, despite winning time and again in court. Because of the science.

A few years ago a physician in N Dakota showed Xrays of donated meat with lead in it. Big to do. A halt on all donated meat in the state. Big study by our Center for Disease Control. Blaring headlines that there were elevated levels of lead in the blood of people and their families who eat game compared to the control population in N Dakota. The horror.

The physician is on the board of some raptor organisation. Turns out the elevated levels of lead are still far below the national average. If you eat game in N Dakota you have less lead in you than if you live in a big city on either coast and don't eat game. These are the findings of our Center for Disease Control, who really aren't in the pocket of the NRA. They don't know how little lead is harmful, and they wont' recommend any lead bullets, but I will recommend you don't live in big American cities.

You'd be safer moving to the countryside than switching to unleaded bullets.

Acid rain frees up naturally occurring lead in the ecosystem. The type of lead in bullets is very difficult to get into your system. Unless maybe you have a gut that ingests tiny BBs of lead to help grind up food and digest them with acids like ducks and geese.

Our National Forest Service has done extensive testing looking for leaching at shooting ranges too.

I've changed my mind on lead. I'll probably be switching back to Noslers. The Barnes hang together too much, I want something that's going to blow up a little.

Notice too that the orgs bringing the lead suits against our govt are the weird ones, not main stream environmentalists.

0 Good Comment? | | Report
from rock rat wrote 17 weeks 6 days ago

www.huntfortruth.org/site/

pro lead web site probably the amo makers.

0 Good Comment? | | Report
from mike0714 wrote 17 weeks 5 days ago

Here in AZ the use of lead bullets on the Strip and Kaibab has been part of an optional hunter initiative. There is proof that condors are dyeing from lead poisoning. it has yet to be discovered if it is due to bullets, mining, water contamination or other causes. BUT there is evidence that the birds have consumed bullet fragments. which can cause lead poisoning. So there has been an almost universal choice of hunters to use non lead rounds in condor areas. It might not help but it can't make things any worse. I, like many others I know who hunt and camp on the Kaibab/The Strip would rather see these magnificent birds then shoot lead bullets. If it is possible to save a bird by not shooting lead it is worth it in my book.

On the argument of the moose population decline wolves can definitely a major factor. Wolves are the major natural predator of moose. Most moose that are killed are younger than 3 years or older than 8. The death of young moose can really hurt a population especially when 3 year olds are the adolescent populations. Cows may also take a year off in between raising calfs. There is also evidence that defenses moose have to ward off wolves are learned not instinctual and in areas where wolf numbers are rebounding this can be detrimental to moose numbers because hunting is instinctual for wolves. Also a single wolf pack can double in a few year while moose numbers grow much slower. With wolf numbers increasing and needing more food (moose) prey number are sure to drop.

0 Good Comment? | | Report
from Ontario Honker ... wrote 17 weeks 4 days ago

Nice, Mike. Thanks for that. However, as has been pointed out, wolves in Northern Minnesota are nothing new. And as far as I know the population hasn't really exploded terribly (mostly due, I think, to increased urban sprawl and cottaging up there). Also, we are in the midst of an extended mange epidemic here and I expect it is as bad across the border. And, finally, wolves in Minnesota will prefer hunting whitetail deer which are extremely abundant. They're much easier to bring down than moose! I expect they are going to find that the causes are either increased level of tics due to warming (we have had several TERRIBLE tic seasons here the last couple of years - worst I have ever seen!) and/or the burgeoning deer population. As I suspect you know, deer carry brainworm parasite which they can live with but which is fatal to moose. Consequently, the two species often don't coexist very well in the same environment. And yes, tics are a major killer of moose. Though I have yet to find any on the moose I have shot (which seems odd because I ALWAYS find them on deer), we have what is called a winter tic which quite effectively sucks them dry. It's a big problem in Northern Manitoba this time of year with many moose becoming so weak from tic infestations that they can't handle the deep snow so they stick to the roadways. A bad situation all the way around!

0 Good Comment? | | Report
from Bioguy01 wrote 17 weeks 2 days ago

OHH - Perhaps your right about female moose defending their calves. I'm not as familiar with moose behavior and biology as I am with whitetails, though they do intrigue me. Wolves also intrigue me, and although deer are a much more abundant prey species, wolves tend to prefer larger prey species. Wolves are a pack hunting animal, therefore the energy return on investment must be high so the entire pack will have enough to eat. In fact, if you look at the entire map of current wolf existence, you will see that they only persist in areas where large prey species occur in abundance (moose, caribou, elk, bison, etc). If they were a more solitary animal, such as the coyote, then deer might be more of a menu option. If you look at range maps of wolves and moose in Minnesota, you will see that moose and wolf home ranges within that state are nearly identical. Since wolf populations throughout the US are currently higher than in the recent past, it is hard to ignore that wolf predation may be a piece in this population reduction puzzle. I'm not saying it's the soul driver of the decline, just a piece of the puzzle.

Hopefully MDNR will tease apart the various factors driving this moose population decline in the upcoming years.

0 Good Comment? | | Report

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