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#1239673 - 03/07/09 07:41 PM Aging Marten
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
I was asked if I had some pix to show how to tell various relative ages of marten: Figured more that one might be interested so here's some illustrations.

Adult: no visible bone on the top of the head.



Yearling: 4-7 milimeters of bone showing ; approximate.



Young of the year: 11-13 milimeters of bone; appx.

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#1239706 - 03/07/09 07:53 PM Re: Aging Marten [Re: white17]
martenpine Offline
trapper

Registered: 12/17/07
Posts: 1937
Loc: user conflictville, Alaska 99X...
I didn't know that was how they were aged. Thanks White
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when there is shot in the air, there is hope.


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#1239710 - 03/07/09 07:55 PM Re: Aging Marten [Re: martenpine]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
Well remember this is just a way to tell their relative ages. Need to cross section a tooth to get the precise age.
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#1239719 - 03/07/09 08:00 PM Re: Aging Marten [Re: white17]
Kusko Offline
"Mr. Mayor"

Registered: 12/23/06
Posts: 3768
Loc: Bethel, AK
Interesting. That is a good bit of info.

I had seen this before and couldn't remember which was which.
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#1239728 - 03/07/09 08:05 PM Re: Aging Marten [Re: white17]
martenpine Offline
trapper

Registered: 12/17/07
Posts: 1937
Loc: user conflictville, Alaska 99X...
Originally Posted By: white17
Well remember this is just a way to tell their relative ages. Need to cross section a tooth to get the precise age.


I understand but that is a nice quick way to reference what your taking on the line.
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when there is shot in the air, there is hope.


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#1239733 - 03/07/09 08:08 PM Re: Aging Marten [Re: martenpine]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
Yes it is. Pretty easy to keep track of your age/sex ratios that way.
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#1239741 - 03/07/09 08:13 PM Re: Aging Marten [Re: white17]
takotna Offline
trapper

Registered: 12/22/06
Posts: 1200
Loc: Takotna AK
Thanks Ken.

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#1239762 - 03/07/09 08:21 PM Re: Aging Marten [Re: takotna]
trapper ron Offline
trapper

Registered: 12/08/08
Posts: 1281
Loc: Kelowna BC Canada
The is the best piece of information I have seen in a long while. Did not know that at all. Do you mind if I put that on the Canadian site with thanks to you White ?
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Trapping Instructor
NAFA Trapper Consultant

"It's what you learn after you know it all that really counts."

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#1239774 - 03/07/09 08:26 PM Re: Aging Marten [Re: trapper ron]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
Go right ahead Ron.
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#1239839 - 03/07/09 08:49 PM Re: Aging Marten [Re: white17]
trapper ron Offline
trapper

Registered: 12/08/08
Posts: 1281
Loc: Kelowna BC Canada
Thank you White, it is done. PM me with some information as to photo credits, where info originated etc. I would like to put this in the next issue of the BC Trapper Magazine.

Folks this is what makes these trappers forums special, useful educational information like this. smile
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Director BCTA
Trapping Instructor
NAFA Trapper Consultant

"It's what you learn after you know it all that really counts."

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#1239952 - 03/07/09 09:19 PM Re: Aging Marten [Re: trapper ron]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
It also has the potential of being good for the trapper and the resource. If you can maintain a healthy population, you can trap it indefinitely as long as some external event doesn't intervene. Right now something is going on in my area at the very least and maybe over a larger area. If we had no baseline of what our populations were in the past, we might come to the wrong conclusion about what is happening when things change for a year or two.
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#1240002 - 03/07/09 09:39 PM Re: Aging Marten [Re: white17]
Hupurest
Unregistered


can the same "procedure" be used on other critters?

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#1240066 - 03/07/09 10:09 PM Re: Aging Marten [Re: ]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
I have seen the same thing in mink and fox. Wolverine all seem to be fully developed by trapping season. A lot of it depends on development of those muscles by chewing. Ever notice how young animals have a rounded skull? The chewing over time, and bone development squash the skull into a flatter, longer shape the older an animal gets. Also the sagittal crest grows larger because that is the point where the temporalis muscle attaches.
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#1240081 - 03/07/09 10:15 PM Re: Aging Marten [Re: white17]
bearbait Offline
trapper

Registered: 01/03/07
Posts: 1991
Loc: North Pole Alaska
100% of my marten catch this year was adult female.
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Eat, Drink, and don't be a Mary.

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#1240099 - 03/07/09 10:28 PM Re: Aging Marten [Re: bearbait]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
How many was that? Something tells me it was single digits.
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#1240111 - 03/07/09 10:34 PM Re: Aging Marten [Re: white17]
bearbait Offline
trapper

Registered: 01/03/07
Posts: 1991
Loc: North Pole Alaska
1, but I realized the male to female ratio was bad so I pulled the trap.
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Eat, Drink, and don't be a Mary.

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#1240133 - 03/07/09 10:48 PM Re: Aging Marten [Re: bearbait]
white17 Online   content

"General (Mr.Sunshine) Washington"

Registered: 03/17/07
Posts: 15104
Loc: McGrath, AK
And none to soon either.
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#1240140 - 03/07/09 10:54 PM Re: Aging Marten [Re: bearbait]
Sockeye Salm Offline
trapper

Registered: 01/12/09
Posts: 90
Loc: Anchorage, Alaska
Very good and important info here, I hope all the young trappers read and understand this.

(Old Retired Guy)
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#1240274 - 03/08/09 01:03 AM Re: Aging Marten [Re: Sockeye Salm]
martentrapper Offline
trapper

Registered: 12/23/06
Posts: 992
Loc: Moved to Fbks, Ak.
I believe that part of the skull is called the sagital crest. As the animal ages the crest developes more. An old marten actually has a crest at the rear of the skull.
I gave all my skulls to Audrey Magoun the last year I seriously trapped marten(90-91). She gave me the oldest one, all cleaned up and had a tooth aged from it. 13 years old.
mt

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#1240301 - 03/08/09 04:01 AM Re: Aging Marten [Re: martentrapper]
BAMM BAMM Offline
trapper

Registered: 01/18/09
Posts: 202
Loc: Sparrevohn LRRS, AK.
Great info, I'll definantly use it next year to help keep track of my population. I sure wish I still had the 2 I caught this year so I could start my inventory. They were both males so I guess thats a good sign.
_________________________
Marten - 3
lynx - 0
wolverine - 3
wolf - 0
red fox - 1
cross fox - 0
rabbit - 0
beaver - 1
ermine - 0
otter - 0
red squirrel - 0
fingers - 0

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