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Male/female castor? #7226687
03/25/21 10:36 PM
03/25/21 10:36 PM
Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Yukon John Offline OP
trapper
Yukon John  Offline OP
trapper

Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Just wondering, cause I have 2 beaver to go by, and in my limited experience it seems the males have a bigger sack, and the females have a more "colorful" (and smaller)sack. Any thoughts are appreciated!


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Re: Male/female castor? [Re: Yukon John] #7226695
03/25/21 10:42 PM
03/25/21 10:42 PM
Joined: Oct 2016
Posts: 992
Ohio, USA
Ave Offline
trapper
Ave  Offline
trapper

Joined: Oct 2016
Posts: 992
Ohio, USA
I noticed the same thing this year. I think that males have larger castors in general. I didn’t notice a color difference though. Maybe someone with more experience will chime in.


Ave don't go where the beaver don't flow
Re: Male/female castor? [Re: Yukon John] #7226700
03/25/21 10:46 PM
03/25/21 10:46 PM
Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
Paul Dobbins Online content
"Trapperman custodian"
Paul Dobbins  Online Content
"Trapperman custodian"

Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
As a general rule, I've found that the females will have smaller castors than the males. There always exceptions though.



Re: Male/female castor? [Re: Yukon John] #7226710
03/25/21 10:51 PM
03/25/21 10:51 PM
Joined: Mar 2020
Posts: 7,213
W NY
Turtledale Offline
trapper
Turtledale  Offline
trapper

Joined: Mar 2020
Posts: 7,213
W NY

" the males have a bigger sack"
Yessir they do


NYSTA, NTA, FTA, life member Erie county trappers assn.,life member Catt.county trappers
Re: Male/female castor? [Re: Paul Dobbins] #7226747
03/25/21 11:23 PM
03/25/21 11:23 PM
Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Yukon John Offline OP
trapper
Yukon John  Offline OP
trapper

Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Originally Posted by Paul Dobbins
As a general rule, I've found that the females will have smaller castors than the males. There always exceptions though.

Thanks Paul, have you noticed a difference in color? The male I harvested from was clearly more of a yellow color, and the female was a purple, or plum maybe. Just food for thought, I'm extremely new to this!


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Re: Male/female castor? [Re: Yukon John] #7226762
03/25/21 11:42 PM
03/25/21 11:42 PM
Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
Paul Dobbins Online content
"Trapperman custodian"
Paul Dobbins  Online Content
"Trapperman custodian"

Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
Originally Posted by Yukon John
Originally Posted by Paul Dobbins
As a general rule, I've found that the females will have smaller castors than the males. There always exceptions though.

Thanks Paul, have you noticed a difference in color? The male I harvested from was clearly more of a yellow color, and the female was a purple, or plum maybe. Just food for thought, I'm extremely new to this!


No, I haven't noticed a difference in color between male and female. I have noticed a difference in color and outer membrane thinness between locations. Some locations will produce castors with a nice light colored castor with a good durable membrane. Some locations have a dark castor with a thin membrane that is subject to tearing when removing. I'm not sure what causes the difference.



Re: Male/female castor? [Re: Yukon John] #7226773
03/25/21 11:52 PM
03/25/21 11:52 PM
Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Yukon John Offline OP
trapper
Yukon John  Offline OP
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Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Thank you, been wondering how tough castor actually is when I harvest! It seems that when I try to extract I always get pretty rough. Haven't torn any yet, but wonder how much they can take?


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Re: Male/female castor? [Re: Yukon John] #7227401
03/26/21 05:04 PM
03/26/21 05:04 PM
Joined: Feb 2021
Posts: 113
Oklahoma
P
PushCoTrapper Offline
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PushCoTrapper  Offline
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Joined: Feb 2021
Posts: 113
Oklahoma
Males definitely seem to have more castor. I also noticed the beaver I caught in December seemed to have fuller castor sacs then these spring beaver. Here's a male and female castor from yesterday. Anyone else noticed some beaver sac oil is yellowish/white and thin while some is thick with a brown tint? [Linked Image]

Re: Male/female castor? [Re: Yukon John] #7227412
03/26/21 05:21 PM
03/26/21 05:21 PM
Joined: Apr 2007
Posts: 17,383
Central Ohio
LT GREY Offline
trapper
LT GREY  Offline
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Joined: Apr 2007
Posts: 17,383
Central Ohio
Originally Posted by Yukon John
Just wondering, cause I have 2 beaver to go by, and in my limited experience it seems the males have a bigger sack, and the females have a more "colorful" (and smaller)sack. Any thoughts are appreciated!


Well, the male will be the one with the testicles inside, for whatever that's worth wink.

The biggest beaver I've caught and also saw another local trapper catch, were both females.


[Linked Image]


Re: Male/female castor? [Re: Yukon John] #7227721
03/26/21 09:48 PM
03/26/21 09:48 PM
Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Yukon John Offline OP
trapper
Yukon John  Offline OP
trapper

Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
That's a biggun!


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Re: Male/female castor? [Re: Yukon John] #7227991
03/27/21 07:51 AM
03/27/21 07:51 AM
Joined: Oct 2008
Posts: 697
Iowa,
E
eedup Offline
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eedup  Offline
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Joined: Oct 2008
Posts: 697
Iowa,
Your sac oil color difference is male vs female. Yellow/female. Brown grey/male

Re: Male/female castor? [Re: Yukon John] #7231341
03/30/21 10:05 PM
03/30/21 10:05 PM
Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
Yukon John Offline OP
trapper
Yukon John  Offline OP
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Joined: Jan 2020
Posts: 4,925
Aliceville, Kansas 43
...well, caught the male that was with the female with the purple colored castor, and he had the same color as her. A little bigger, maybe, but I would ascertain that color has something to do with nutrients in what they're eating. Again, I'm NO expert, just food for thought!


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Re: Male/female castor? [Re: LT GREY] #7231852
03/31/21 01:24 PM
03/31/21 01:24 PM
Joined: Aug 2011
Posts: 45,263
james bay frontierOnt.
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Boco Offline
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Posts: 45,263
james bay frontierOnt.
Originally Posted by LT GREY
Originally Posted by Yukon John
Just wondering, cause I have 2 beaver to go by, and in my limited experience it seems the males have a bigger sack, and the females have a more "colorful" (and smaller)sack. Any thoughts are appreciated!


Well, the male will be the one with the testicles inside, for whatever that's worth wink.

The biggest beaver I've caught and also saw another local trapper catch, were both females.


[Linked Image]




You can make them bigger by leaving them out in the sun for a while.

[Linked Image]


Forget that fear of gravity-get a little savagery in your life.
Re: Male/female castor? [Re: eedup] #7240258
04/10/21 06:39 PM
04/10/21 06:39 PM
Joined: Dec 2006
Posts: 10,994
Oregon
beaverpeeler Online content
trapper
beaverpeeler  Online Content
trapper

Joined: Dec 2006
Posts: 10,994
Oregon
Originally Posted by eedup
Your sac oil color difference is male vs female. Yellow/female. Brown grey/male

Exactly. Plus the consistency of female oil is grainy like vaseline where the male's oil is oily and brown.


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Re: Male/female castor? [Re: Yukon John] #7240348
04/10/21 08:49 PM
04/10/21 08:49 PM
Joined: Dec 2006
Posts: 9,733
Northern Illinois
M
MChewk Offline
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MChewk  Offline
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M

Joined: Dec 2006
Posts: 9,733
Northern Illinois
‘Peeler you still making those fine beaver lures?

Re: Male/female castor? [Re: eedup] #7240416
04/10/21 10:49 PM
04/10/21 10:49 PM
Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
Paul Dobbins Online content
"Trapperman custodian"
Paul Dobbins  Online Content
"Trapperman custodian"

Joined: Dec 2006
Posts: 16,493
Goldsboro, North Carolina
Originally Posted by eedup
Your sac oil color difference is male vs female. Yellow/female. Brown grey/male


Down here, the female's oil is very light in color and liquid. The male's oil is brown, and many times it's thick like paste.



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