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#7050584 - 01/23/18 07:55 PM Mortality rate for deer in the wild?
shakebaker Offline
Woodsman

Registered: 01/08/08
Posts: 115
Loc: Spring(Houston)
Any idea what percentage of deer die in a given year that aren't shot by hunters? Our place is high fenced and just curious if say we had 50 deer on it in a given year how many might just die from predators, old age, disease, etc. Ill of course at times find one dead but Im sure many that die you dont find their bones or any sign they died.
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#7050613 - 01/23/18 08:12 PM Re: Mortality rate for deer in the wild? [Re: shakebaker]
DQ Kid Online   content
Extreme Tracker

Registered: 02/20/12
Posts: 4717
Loc: Flower Mound, TX
10-15 percent based on age classes, predators, ratio of buck to doe and carrying capacity.

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#7050659 - 01/23/18 08:52 PM Re: Mortality rate for deer in the wild? [Re: shakebaker]
redchevy Offline
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Registered: 10/25/04
Posts: 27353
Loc: Texas
Doing some surveys will get you an idea, counting fawns I think the number may be pretty big.
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#7050669 - 01/23/18 09:01 PM Re: Mortality rate for deer in the wild? [Re: shakebaker]
jakebunch Online   content
Bird Dog

Registered: 04/08/10
Posts: 275
There is an article on Tecomate.com in regard to this. Their S. Texas study revealed a natural mortality rate of 10-30% for bucks. Most died in the post rut period of January to March. Interestingly, they found coyotes can and did kill mature bucks in that period. The following statement was made..."managing for mature, trophy bucks is not very efficient because many bucks will die each year of natural causes." I expect there will be some surprise and disagreement with that statement.

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#7050882 - 01/24/18 07:15 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
Mr. T. Offline
Veteran Tracker

Registered: 11/05/14
Posts: 2235
Loc: Hunt in Cass County, live in T...
My guess and that all it is would be 20% per year. My reasoning is that you will loose about 1/7 of a deer from old age and another 5% from other natural causes and predators. That's a little over 19%.
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#7050948 - 01/24/18 07:59 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
Rustler Offline
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Registered: 03/01/07
Posts: 3648
Loc: Carrollton/ Young, Blanco coun...
How about there is no way to accurately ascertain the mortality rate of wild / free range deer.

The estimates fall between 7% - 30% depending on the area and a whole host of variables.

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#7050976 - 01/24/18 08:15 AM Re: Mortality rate for deer in the wild? [Re: Rustler]
don k Online   content
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Registered: 08/27/08
Posts: 10313
Loc: Bandera, Tx
Originally Posted By: Rustler
How about there is no way to accurately ascertain the mortality rate of wild / free range deer.

The estimates fall between 7% - 30% depending on the area and a whole host of variables.
Very true. Around here I would think predators are the largest contributing factor. From what I see around here is that probably close to 50% of the fawns born do not make it to adults.
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#7050985 - 01/24/18 08:29 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
RattlesnakeDan Offline
Woodsman

Registered: 12/23/17
Posts: 131
Loc: San Antonio
You should take into account the number of hogs too...I have watched hogs kill a fawn and fight over it ripping it into pieces.
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#7050995 - 01/24/18 08:33 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
redchevy Offline
THF Celebrity

Registered: 10/25/04
Posts: 27353
Loc: Texas
If there is only 7-30% die off every year wouldn't that indicate an ever increasing population? In some areas I bet road kills/cars not road hunting make up a good number.
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#7051070 - 01/24/18 09:19 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
Erathkid Online   content
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Registered: 01/19/11
Posts: 16154
Loc: Dollas,Taxes Bluff Dale Tx
We're 1.5 miles from the hwy but the way our land runs, it creates a low saddle that runs toward hwy. It's a natural funnel. 5 dead deer on the road so far in the past few months bang


Edited by Erathkid (01/24/18 09:21 AM)
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#7052225 - 01/25/18 05:25 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
REALKILLER Offline
Pro Tracker

Registered: 02/19/15
Posts: 1532
Kinda like a pet. Take care of it and it will live. Fightin bucks can die, lightning can strike too. Haha. In 30 years of deer huning I have only seen 2 bucks in the wild hung up. It was in nothern Missouri in a corn field. I hear about dead bucks locked up and killed by more massive nothern deer in HF all the time. You folks got sexual frustrations trapped in a high fence. Dangerous. Just think if humans were forced to find a date in a locked down grid, it would get deadly. Disease and starvation is your biggest enemy along with snipers. Have fun, I like the thought of thinking the bucks I hunt are just off the reservation.
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#7052306 - 01/25/18 07:37 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
Flashprism Offline
Bird Dog

Registered: 11/16/11
Posts: 437
Loc: Corpus & Dickens
Not sure about mature deer however Advised by area biologist that 50% of fawns in my area are killed by yotes, I believe this as I have large number of yotes and see limited number of fawns. Last year saw one out of all deer we had on property. Really sad. I kill every yote I see. Killed 3 last deer season while on stand.


Edited by Flashprism (01/25/18 02:02 PM)

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#7052386 - 01/25/18 08:43 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
redchevy Offline
THF Celebrity

Registered: 10/25/04
Posts: 27353
Loc: Texas
When the sun goes down it is truly amazing how many coyotes we have. You can walk down every road or trail on our property every morning and there are fresh coyote tracks on every square inch of it and fresh scat on half of it. We have fawns all over the place. Maybe its because we have good fawn cover?
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#7052484 - 01/25/18 09:55 AM Re: Mortality rate for deer in the wild? [Re: shakebaker]
Erathkid Online   content
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Registered: 01/19/11
Posts: 16154
Loc: Dollas,Taxes Bluff Dale Tx
^^^For sure. Since we got rid of cows, our bluestem and switchgrass has exploded, along with our deer population.


Edited by Erathkid (01/25/18 09:55 AM)
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#7052509 - 01/25/18 10:21 AM Re: Mortality rate for deer in the wild? [Re: Erathkid]
redchevy Offline
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Registered: 10/25/04
Posts: 27353
Loc: Texas
Originally Posted By: Erathkid
^^^For sure. Since we got rid of cows, our bluestem and switchgrass has exploded, along with our deer population.


Interesting observation, we also have no stock keeping grass down.
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