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Size comparisons

Finland Shadow Offline
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Some photos of Jamu, mentioned in article from 2010 to be 9 years old and 550 lbs, in some articles 40 stones. So I think, that quite safe to say 250 kg, but as said, based to a few newspaper articles.

Here small looking lion.


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Bigger lion.


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And one more nice photo.


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Brazil Dark Jaguar Offline
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Giraffe and Capybara.

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Finland Shadow Offline
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This is so big bear and looking to be fairly reliable, so I share this in this thread too:

One big Kodiak bear, which was hunted fall 2014. Weighed 1417 lbs, which is same as 643 kg. 

On video is hunting, if not wanting to see it, carcass and scale reading from 2:33-2:42.






Article from same hunt: https://miaanstine.com/2014/11/11/archer...bear-hunt/

Quote: "They kept saying it could be the biggest bear they had ever taken; so we figured out a way to get it loaded whole and took it back to the lodge. They flew in a hanging scale so we could weigh him. After gallons of blood loss he weighed 1,417 pounds. He would have been close to 1,450 pounds while alive. His hide squared 10’4”. He was 7’10” around the belly and 9’1” nose to tail."


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Brazil Dark Jaguar Offline
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Human and Hippopotamus.

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Canada DinoFan83 Offline
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( This post was last modified: 09-25-2020, 06:41 PM by DinoFan83 )

Here are some size comparisons of Simbakubwa and some large African theropods. Simbakubwa by KookaburraSurvivor, Torvosaurus and Carcharodontosaurus by GetAwayTrike and SpinoInWonderland.

Simbakubwa vs the largest known terrestrial theropod from Africa:
Simbakubwa vs Carcharodontosaurus, max vs max (KNM-ME 20A vs SGM-DIN 1). Simbakubwa is scaled to 40 cm dentary and is probably about 500-600 kg, while Carcharodontosaurus is 13.23 meters TL and 9+ tonnes.

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Simbakubwa's skull vs the largest estimated African theropod skull:
Skulls of Simbakubwa and Torvosaurus, largest specimens for both (KNM-ME 20A and MB.R.3620). Simbakubwa's skull is 58.3 cm long and probably belongs to an animal about 500-600 kg as stated above, while the estimated skull length for this Torvosaurus specimen is 174.5 cm and it most likely belonged to an animal about 5.24 tonnes.

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As we can see, while Simbakubwa is a very large predator by mammalian standards and one of the largest mammalian land predators of all, it is thoroughly outclassed in terms of both overall size and skull size with some of Africa's large theropods, large Torvosaurus and Carcharodontosaurus.
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Canada Balam Offline
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Female Mexican jaguar next to male Bengal tiger


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Credits to Beto Sierra
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Brazil Dark Jaguar Offline
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Rottweilers and Young Jaguar.

photo: Reprodução


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Brazil Dark Jaguar Offline
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( This post was last modified: 09-27-2020, 11:32 PM by Dark Jaguar )

Indian Leopard and Brazilian Jaguar.

credits: unknown

credits: jaguar ecological reserve



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Luipaard Offline
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(09-27-2020, 08:19 PM)Dark Jaguar Wrote: African Leopard and Brazilian Jaguar.

credits: unknown

credits: jaguar ecological reserve



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That's an Indian leopard.
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United States Stripedlion2 Offline
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Can y’all do a size comparison of an average cave bear to an average polar bear then the largest cave bear compared to the largest polar bear.
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Rishi Offline
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( This post was last modified: 09-28-2020, 10:03 AM by Rishi )

(09-28-2020, 09:50 AM)Stripedlion2 Wrote: Can y’all do a size comparison of an average cave bear to an average polar bear then the largest cave bear compared to the largest polar bear.

I have one for short-faced bear. Won't vouch for its accuracy though, especially because we do not know how large the largest of these bears was...

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United States Stripedlion2 Offline
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(09-28-2020, 10:01 AM)Rishi Wrote:
(09-28-2020, 09:50 AM)Stripedlion2 Wrote: Can y’all do a size comparison of an average cave bear to an average polar bear then the largest cave bear compared to the largest polar bear.

I have one for short-faced bear. Won't vouch for its accuracy though, especially because we do not know how large the largest of these  bears was...

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Aren’t cave bears and polar bears like the same weight?
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Canada Balam Offline
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This is a video of Lola lioness and Diablo jaguar from Bear Creek Sanctuary here in Canada. They are the parents of the only two jaglions known to exist. Diablo is almost just as big as she is as can be seen in the video when they stand side by side, and he doesn't even belong to the largest jaguars populations (Llanos and Pantanal) as those populations do not produce melanistic individuals:





Their offspring:


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tigerluver Offline
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(09-28-2020, 10:01 AM)Rishi Wrote:
(09-28-2020, 09:50 AM)Stripedlion2 Wrote: Can y’all do a size comparison of an average cave bear to an average polar bear then the largest cave bear compared to the largest polar bear.

I have one for short-faced bear. Won't vouch for its accuracy though, especially because we do not know how large the largest of these  bears was...

*This image is copyright of its original author

*This image is copyright of its original author


Digging through a post from 4 years ago, U. m. tyrannus seems to be overexaggerated in that comparison.


(01-06-2016, 03:53 AM)tigerluver Wrote: The largest U. m. tyrannus is a fragmented ulna estimated to be no less than c. 485 mm by Kurten (1964) in length. The largest polar bear male published in the same work has a 428 mm. The largest A. angustidens ulna is 570 mm and the largest 591 mm for A. simus if I'm not mistaken. 

Small sample size for U. m. tyrannus, no doubt, but it still seems well outclassed by the giant short-faced bears. Averaging the ulna lengths of the 6 males in Kurten  (1964) and assuming these males average 450 kg and ulna scales isometrically, this specimen would would around 860 kg. Issue is, the ulna is a distal long bone and often lengthens for locomotion rather than mass, and if U. m. tyrannus is not a carbon copy of the modern polar but rather more cursorial, this specimen would be lighter than 860 kg. The width measurements for fossil ulna show a specimen either as robust or a bit less robust than the modern polar bears, so 800 kg may be more likely. 

Use this link to read Kurten (1964): The evolution of the Polar Bear, Ursus maritimus Phipps 

One last thing, seeing the 591 mm ulna for A. simus, and comparing it to A. angustidens 570 mm ulna, which is from the same specimen whose 620 mm humerus gave it the title of heaviest bear, this title is again brought into question. I've already gone over the femur issue, and now this A. simus ulna produces a humerus of no less than 640 mm assuming equal proportions.
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United States Pckts Offline
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Different ones


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