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Post by brobear on Nov 11, 2020 11:32:58 GMT -5
Reply#311 It's hard for me to look at that picture of Goliath in what appears to be a small tiny enclosure. What a sad life IMO.... On a cement floor. No life at all.  These bears prove something though; in a lush environment, it is possible for a brown bear to reach 2,000+ ( non-obese ) pounds.  |
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Post by King Kodiak on Nov 11, 2020 15:57:43 GMT -5
Wr have seen how experts state that weight barely affects the bear's health, how they dont develop diabetes or heart problems. Now look what happens to obese tigers, from the post above:
Karina O’Carroll, Animals Asia Foundation’s animal welfare education manager, said she had never seen wild tigers as fat as the ones at the Chinese zoo.
“They are definitely overweight. It definitely constitutes a welfare concern for these animals,” O’Carroll said, adding that tigers this obese were prone to developing cardiovascular or joint issues.
Wild tigers were very capable of controlling their weight as obesity would inconvenience them when they hunt for food, according to the animal expert.
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Post by brobear on Nov 26, 2020 8:46:31 GMT -5
Inland Grizzly Bear - Kodiak Bear
 *And there are brown bears up in the high Himalayan Mountains only half the size of a grizzly. |
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Post by theundertaker45 on Dec 25, 2020 12:15:55 GMT -5
Age related growth patterns of male brown bears based on two grizzly bear populations (data taken from Blanchard, 1987 and Glenn, 1980)
Alaska Peninsula
Average weight for the age class 5y-8y (sexually mature): 291kg (642lbs; n=16)
Average weight for the age class 9y+ (fully grown): 389kg (858lbs; n=5)
Absolute weight difference between the two age classes: 98kg (216lbs)
Relative weight difference between the two age classes: ~34%
Yellowstone NP
Average weight for the age class 5y-8y (sexually mature): 173kg (381lbs; n=29)
Average weight for the age class 9y+ (fully grown): 213kg (470lbs; n=32)
Absolute weight difference between the two age classes: 40kg (88lbs)
Relative weight difference between the two age classes: ~23%
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Post by theundertaker45 on Dec 25, 2020 12:53:28 GMT -5
Reply #324 continued...
Kodiak Bear (data taken from Hensel and Troyer, 1969)
Average weight for the age class 5y-8y (sexually mature): 267kg (589lbs; n=9)
Average weight for the age class 9y+ (fully grown; spring specimens): 455kg (1002lbs; n=2)
Average weight for the age class 9y+ (fully grown; fall specimens): 523kg (1153lbs; n=2)
Absolute weight difference between the two age classes: 188kg (415lbs)
Relative weight difference between the two age classes: ~70%
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Dec 25, 2020 13:40:21 GMT -5
Post by King Kodiak on Dec 25, 2020 13:40:21 GMT -5
Great info Taker.
Add these 2 Spring and Fall averages and we of course get a total average weight of 1077 lbs.
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Post by brobear on Dec 25, 2020 13:51:08 GMT -5
It was stated many times in the old AVA; the proper time to weigh a brown bear is during the Summer months. Unfortunately, weighing a bear means risky darting with drugs. For the weighing to have any meaning, data involving sex, age, and physical condition are needed.
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Post by nocapakabl on Jan 29, 2021 8:03:54 GMT -5
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Post by nocapakabl on Jan 29, 2021 8:39:22 GMT -5
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Feb 11, 2021 5:12:52 GMT -5
Post by brobear on Feb 11, 2021 5:12:52 GMT -5
Warsaw posted: Remember that "When bears emerge from their dens in the spring, food is in short supply. ... Because food is relatively scarce during spring, bears continue to lose weight until well into June."
*I have never given this any thought, but makes perfect sense.
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Feb 16, 2021 6:26:31 GMT -5
Post by OldGreenGrolar on Feb 16, 2021 6:26:31 GMT -5
Warsaw posted: Remember that "When bears emerge from their dens in the spring, food is in short supply. ... Because food is relatively scarce during spring, bears continue to lose weight until well into June." *I have never given this any thought, but makes perfect sense. Still no records of male Ussuri brown bears killed according to Siberian Tiger Project. |
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Post by nocapakabl on Mar 8, 2021 8:24:16 GMT -5
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Post by nocapakabl on Mar 8, 2021 8:28:53 GMT -5
More:  |
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Mar 8, 2021 9:18:51 GMT -5
Post by brobear on Mar 8, 2021 9:18:51 GMT -5
Reply #332 and #333; good info nocapakabl.
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Post by theundertaker45 on Mar 31, 2021 13:48:37 GMT -5
An excerpt of my conversation with Scott Stone (park guide/photographer in Katmai NP)
Q1: Would you say that the Katmai brown bears attain larger sizes than the Kodiak bears nowadays? Stone: In my opinion from what I’ve seen I believe yes they are larger than Kodiaks; the largest Kodiak I’ve personally seen was on the south end of the island and I believe to be about 1600lbs.
Q2: Where do you think is the upper size limit for the baddest behemoths in Katmai NP?
Stone: Of the five biggest bears I’ve seen four were coastals at Katmai with of course Van bring the biggest; there's zero doubt to me he is pushing over 1800lbs during peak times.
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Post by tom on Mar 31, 2021 15:16:37 GMT -5
Interesting. 1800lbs during peak times is indeed a large bear. What would be an estimate of spring weight?
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Mar 31, 2021 15:31:05 GMT -5
Post by King Kodiak on Mar 31, 2021 15:31:05 GMT -5
theundertaker45 That's just his opinion, and its based on what? he hasn't weighted any bears has he? That's just based on his visual interpretation on a few bears. Always remember that the largest bears are the most elusive. Anyhow, the scientific weight charts that we have say otherwise. Kodiaks are larger.
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Mar 31, 2021 15:43:43 GMT -5
Post by brobear on Mar 31, 2021 15:43:43 GMT -5
theundertaker45 That's just his opinion, he hasn't weighted any bears has he? The scientific weight charts that we have say otherwise. Kodiaks are larger. An opinion yes; but one from someone who knows the bears. A professional opinion. Also, if this person is ever involved in darting bears with drugs, then he definitely has a sharp eye for a bear's weight.  |
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Post by King Kodiak on Mar 31, 2021 15:50:50 GMT -5
theundertaker45 That's just his opinion, he hasn't weighted any bears has he? The scientific weight charts that we have say otherwise. Kodiaks are larger. An opinion yes; but one from someone who knows the bears. A professional opinion. Also, if this person is ever involved in darting bears with drugs, then he definitely has a sharp eye for a bear's weight.
Scott Stone
Specializing in wildlife and Landscape photography. I also do some portrait, commercial, farm and ranch photography. Combing Montana, the western states and Alaska for the best images I can find on...
m.facebook.com/scott.stone.311
His website, he is just a photographer bro:
Thank you for visiting my website. Photography has brought some truly amazing people into my life and along with that I feel beyond blessed. There's nothing like capturing a majestic landscape or wildlife in it's natural state. The outdoors is my home. Adventure awaits with each step of my journey and I strive to bring you the best shots from my travels focusing on big game from Montana, western states to Alaska specifically the grizzly and coastal brown bears.
My mission is to bring you with me and share my experiences through the eye of my lens.
www.scottstonephotography.com/about-scott
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