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Size comparisons

Guatemala GuateGojira Offline
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(10-29-2019, 03:07 PM)DinoFan83 Wrote: Here is a size comparison I made, jaguar pictures by guategojira . 
On top: Lower size range; 55 kg jaguar (50 cm shoulder height) vs Orinoco crocodile (4.1 meters, 380 kg) In the middle: 
Higher size range; 95 kg jaguar (70 cm shoulder height) vs Orinoco crocodile (5.2 meters, 635 kg) On the bottom: Record sized 148 kg jaguar (80 cm shoulder height) vs record Orinoco crocodile (6.8 meters, likely about 1.5-1.8 tons based on other large crocodiles).
Going by this chart, I very very comfortably favor the croc even on land.

Read more: http://theworldofanimals.proboards.com/thread/2909/jaguar-orinoco-crocodile#ixzz63jhOBqZI

That size of the crocodile is very exagerated in all these images. If we going to scale the crocodile we can't just "warp" it to the length needed, but we need to keep proportions. Even the smaller of the crocodiles in your image already have a skull of about 1 meter long!!!

My suggestion, investigate about real sizes of skulls and total lengths, scale your animal based in that and then you will get a good estimation of the size.
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Canada DinoFan83 Offline
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( This post was last modified: 10-30-2019, 09:57 PM by DinoFan83 )

(10-30-2019, 09:52 PM)GuateGojira Wrote:
(10-29-2019, 03:07 PM)DinoFan83 Wrote: Here is a size comparison I made, jaguar pictures by guategojira . 
On top: Lower size range; 55 kg jaguar (50 cm shoulder height) vs Orinoco crocodile (4.1 meters, 380 kg) In the middle: 
Higher size range; 95 kg jaguar (70 cm shoulder height) vs Orinoco crocodile (5.2 meters, 635 kg) On the bottom: Record sized 148 kg jaguar (80 cm shoulder height) vs record Orinoco crocodile (6.8 meters, likely about 1.5-1.8 tons based on other large crocodiles).
Going by this chart, I very very comfortably favor the croc even on land.

Read more: http://theworldofanimals.proboards.com/thread/2909/jaguar-orinoco-crocodile#ixzz63jhOBqZI

That size of the crocodile is very exagerated in all these images. If we going to scale the crocodile we can't just "warp" it to the length needed, but we need to keep proportions. Even the smaller of the crocodiles in your image already have a skull of about 1 meter long!!!

My suggestion, investigate about real sizes of skulls and total lengths, scale your animal based in that and then you will get a good estimation of the size.

That was the best Orinoco croc I found. It was scaled using the 20 cm cubes on your image.
Maybe the photo was taken from an angle or it's a very big headed croc?
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Canada DinoFan83 Offline
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(10-30-2019, 09:19 PM)GuateGojira Wrote:
(10-29-2019, 11:26 PM)DinoFan83 Wrote: If it's any of the others, you may want to talk to @GuateGojira about that. He made the chart, after all.

Original image of the jaguars:

*This image is copyright of its original author


While I have the original sources of the data of the Belize jaguars, I still have my doubts as the shoulde height seems to be too small for such a specimens, but this is what the late Dr Rabinowitz published. Disappointed


Also, remember that the images of the jaguars are in movement, so they do not represent an standing height. We should found a picture of a jaguar in standing height for such a comparison.


Just a side note, I saw a skull of a jaguar from Guatemala that was close to 25 cm in length, maybe more. I will search the picture in my old disks.
Nonetheless, that makes sense. I'd imagine it wouldn't have significant implications (actually none at all) on the weights.

Also, your image is broken.

(10-30-2019, 09:26 PM)BorneanTiger Wrote:
(10-29-2019, 03:07 PM)DinoFan83 Wrote: Here is a size comparison I made, jaguar pictures by guategojira . 
On top: Lower size range; 55 kg jaguar (50 cm shoulder height) vs Orinoco crocodile (4.1 meters, 380 kg) In the middle: 
Higher size range; 95 kg jaguar (70 cm shoulder height) vs Orinoco crocodile (5.2 meters, 635 kg) On the bottom: Record sized 148 kg jaguar (80 cm shoulder height) vs record Orinoco crocodile (6.8 meters, likely about 1.5-1.8 tons based on other large crocodiles).
Going by this chart, I very very comfortably favor the croc even on land.

Read more: http://theworldofanimals.proboards.com/thread/2909/jaguar-orinoco-crocodile#ixzz63jhOBqZI

You might want to think again about that, because an 11-year-old girl did this to a large croc in Zimbabwe! https://www.telegraph.co.uk/news/2019/10...ends-life/https://www.news18.com/news/buzz/brave-1...66565.html
Couple of things regarding that.

1: Jaguars don't go around poking the eyes of crocodiles. No animal does. What makes you think it would have any implication whatsoever on the fight at hand?
2: In a fight to the death, it's not going to help at all. It will, however discourage a predator in a natural encounter
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Guatemala GuateGojira Offline
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(10-30-2019, 09:56 PM)DinoFan83 Wrote: That was the best Orinoco croc I found. It was scaled using the 20 cm cubes on your image.
Maybe the photo was taken from an angle or it's a very big headed croc?

The thing is this, animals vary between specimens, not to much, but they do. So if we got a random specimen and you "warp" is it will give you incorrect results. In this case, if the specimen that you got was a short body-long head specimen, definitelly it will give you a huge specimen with measurements that are not reliable.

Check that the biggest saltwater crorodiles had skulls of less than 85 cm (Whitaker & Whitaker, 2008), so no Orinoco crocodile can have skull of over 1 meter, In fact I was checking the largest croc in your image and already have a skull as large as that of a T. rex!

Check my comparison images, you will see that I not just try to "warp" the animal, but try to keep all the proportions, specially the skulls. In crocs, that is very important.

Finally, but not less important, you need to search for "real" measurements, not just random figures in the web or unverified records quoted in Wikipedia. A crocodile of 6.8 meters in larger than the largest recorded crocs in Africa or Asia/Oceania. So, try to use real measurements, it will take much more time but the reliability will be much greater.
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Guatemala GuateGojira Offline
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(10-30-2019, 09:57 PM)DinoFan83 Wrote: Also, your image is broken.

Did you try to refresh the post? I can see it perfectly.
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Canada DinoFan83 Offline
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Only thing I can see is an image box, after refreshing twice.
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Canada DinoFan83 Offline
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(10-30-2019, 10:07 PM)GuateGojira Wrote:
(10-30-2019, 09:56 PM)DinoFan83 Wrote: That was the best Orinoco croc I found. It was scaled using the 20 cm cubes on your image.
Maybe the photo was taken from an angle or it's a very big headed croc?

Finally, but not less important, you need to search for "real" measurements, not just random figures in the web or unverified records quoted in Wikipedia. A crocodile of 6.8 meters in larger than the largest recorded crocs in Africa or Asia/Oceania. So, try to use real measurements, it will take much more time but the reliability will be much greater.

I'll see if I can find more consistent croc images. Maybe that should help.

The 6.8 meter Orinoco is considered a reliable voucher. And I thought there was a big 7 meter and 2 ton saltie in India?
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Guatemala GuateGojira Offline
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(10-30-2019, 10:12 PM)DinoFan83 Wrote: The 6.8 meter Orinoco is considered a reliable voucher. And I thought there was a big 7 meter and 2 ton saltie in India?

May you quote the source of that record please? Also, there is any evidence of a croc of 2 tons in any area? Real evidence please, not speculations.


The heaviest wild croc on record, as far I know, is stil "Lolong" at 1,075 kg and 6.17 meters long, so how will be posible that just 1 meter in length more will increase 1 more ton? More likelly a croc of 7 meters probably will weight at least 1.5 ton, and that is a rogue speculation.

Appart from that, Dr Brady Barr weighed a buge croc in Costa Rica, it measured 482 cm in total length (tail cut, so probably was around 5 meters long) and weighed 1250 lb (567 kg), it was measured and weighed in camera and I have the video. This is a picture of that croc been weighed:

*This image is copyright of its original author


There is other webpage (http://bradybarr.com/author/c_reganyahoo-com/) at it says that the croc weighed 1600 lb (725.7 kg) but that is not what the video shows and the TV shows was very clear in showing the figure of 1250 lb in the electronic scale. Where they got the figure of "1600 lb"?

I know that these are completelly different species and that may cause differences in morpholofy, but may help to have an idea of how big can be crocs actually measured and weighed.
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Guatemala GuateGojira Offline
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(10-30-2019, 10:10 PM)DinoFan83 Wrote: Only thing I can see is an image box, after refreshing twice.

*This image is copyright of its original author


Did you have the same problem with the images of the lions that I posted in other topics?

Are you seeing the webpage in a celphone or tablet?
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Canada DinoFan83 Offline
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(10-30-2019, 10:31 PM)GuateGojira Wrote:
(10-30-2019, 10:10 PM)DinoFan83 Wrote: Only thing I can see is an image box, after refreshing twice.

*This image is copyright of its original author


Did you have the same problem with the images of the lions that I posted in other topics?

Are you seeing the webpage in a celphone or tablet?

No, using a chromebook.

To be fair, the internet where I am is a bit spotty. Maybe that's why they're broken.
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Guatemala GuateGojira Offline
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(10-30-2019, 10:33 PM)DinoFan83 Wrote: No, using a chromebook.

To be fair, the internet where I am is a bit spotty. Maybe that's why they're broken.

Yes, that is probably why. Believe me, the image is correct, so you should see it when the service is working correctly.
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Canada DinoFan83 Offline
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( This post was last modified: 10-30-2019, 10:42 PM by DinoFan83 )

(10-30-2019, 10:27 PM)GuateGojira Wrote:
(10-30-2019, 10:12 PM)DinoFan83 Wrote: The 6.8 meter Orinoco is considered a reliable voucher. And I thought there was a big 7 meter and 2 ton saltie in India?

1: May you quote the source of that record please? Also, there is any evidence of a croc of 2 tons in any area? Real evidence please, not speculations.


2: The heaviest wild croc on record, as far I know, is stil "Lolong" at 1,075 kg and 6.17 meters long, so how will be posible that just 1 meter in length more will increase 1 more ton? More likelly a croc of 7 meters probably will weight at least 1.5 ton, and that is a rogue speculation.

3: Appart from that, Dr Brady Barr weighed a buge croc in Costa Rica, it measured 482 cm in total length (tail cut, so probably was around 5 meters long) and weighed 1250 lb (567 kg), it was measured and weighed in camera and I have the video. This is a picture of that croc been weighed:

*This image is copyright of its original author


There is other webpage (http://bradybarr.com/author/c_reganyahoo-com/) at it says that the croc weighed 1600 lb (725.7 kg) but that is not what the video shows and the TV shows was very clear in showing the figure of 1250 lb in the electronic scale. Where they got the figure of "1600 lb"?
1: Here you go
https://en.sambad.in/biggest-ever-crocodile-sighted-odishas-bhitarkanika/
https://www.iucnredlist.org/species/5661/3044743
2: You do know crocodiles get bulkier as the get bigger, right? Moreover, salties at 5 meters have been recorded from 522 kg to over a ton. I see no reason why a little individual variation couldn't come into play here
3: Ehh, maybe a typo somewhere down the line.
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BorneanTiger Offline
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( This post was last modified: 10-30-2019, 10:40 PM by BorneanTiger )

(10-30-2019, 09:57 PM)DinoFan83 Wrote:
(10-30-2019, 09:19 PM)GuateGojira Wrote:
(10-29-2019, 11:26 PM)DinoFan83 Wrote: If it's any of the others, you may want to talk to @GuateGojira about that. He made the chart, after all.

Original image of the jaguars:

*This image is copyright of its original author


While I have the original sources of the data of the Belize jaguars, I still have my doubts as the shoulde height seems to be too small for such a specimens, but this is what the late Dr Rabinowitz published. Disappointed


Also, remember that the images of the jaguars are in movement, so they do not represent an standing height. We should found a picture of a jaguar in standing height for such a comparison.


Just a side note, I saw a skull of a jaguar from Guatemala that was close to 25 cm in length, maybe more. I will search the picture in my old disks.
Nonetheless, that makes sense. I'd imagine it wouldn't have significant implications (actually none at all) on the weights.

Also, your image is broken.

(10-30-2019, 09:26 PM)BorneanTiger Wrote:
(10-29-2019, 03:07 PM)DinoFan83 Wrote: Here is a size comparison I made, jaguar pictures by guategojira . 
On top: Lower size range; 55 kg jaguar (50 cm shoulder height) vs Orinoco crocodile (4.1 meters, 380 kg) In the middle: 
Higher size range; 95 kg jaguar (70 cm shoulder height) vs Orinoco crocodile (5.2 meters, 635 kg) On the bottom: Record sized 148 kg jaguar (80 cm shoulder height) vs record Orinoco crocodile (6.8 meters, likely about 1.5-1.8 tons based on other large crocodiles).
Going by this chart, I very very comfortably favor the croc even on land.

Read more: http://theworldofanimals.proboards.com/thread/2909/jaguar-orinoco-crocodile#ixzz63jhOBqZI

You might want to think again about that, because an 11-year-old girl did this to a large croc in Zimbabwe! https://www.telegraph.co.uk/news/2019/10...ends-life/https://www.news18.com/news/buzz/brave-1...66565.html
Couple of things regarding that.

1: Jaguars don't go around poking the eyes of crocodiles. No animal does. What makes you think it would have any implication whatsoever on the fight at hand?
2: In a fight to the death, it's not going to help at all. It will, however discourage a predator in a natural encounter

It was actually a case of gouging the eyes out, not just poking them, according to the narrator, and though jaguars might not gouge out eyes like how that brave girl did, they do come close to that by using their powerful jaws to bite through the skulls of their victims: 









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Canada DinoFan83 Offline
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(10-30-2019, 10:38 PM)BorneanTiger Wrote:
(10-30-2019, 09:57 PM)DinoFan83 Wrote:
(10-30-2019, 09:19 PM)GuateGojira Wrote:
(10-29-2019, 11:26 PM)DinoFan83 Wrote: If it's any of the others, you may want to talk to @GuateGojira about that. He made the chart, after all.

Original image of the jaguars:

*This image is copyright of its original author


While I have the original sources of the data of the Belize jaguars, I still have my doubts as the shoulde height seems to be too small for such a specimens, but this is what the late Dr Rabinowitz published. Disappointed


Also, remember that the images of the jaguars are in movement, so they do not represent an standing height. We should found a picture of a jaguar in standing height for such a comparison.


Just a side note, I saw a skull of a jaguar from Guatemala that was close to 25 cm in length, maybe more. I will search the picture in my old disks.
Nonetheless, that makes sense. I'd imagine it wouldn't have significant implications (actually none at all) on the weights.

Also, your image is broken.

(10-30-2019, 09:26 PM)BorneanTiger Wrote:
(10-29-2019, 03:07 PM)DinoFan83 Wrote: Here is a size comparison I made, jaguar pictures by guategojira . 
On top: Lower size range; 55 kg jaguar (50 cm shoulder height) vs Orinoco crocodile (4.1 meters, 380 kg) In the middle: 
Higher size range; 95 kg jaguar (70 cm shoulder height) vs Orinoco crocodile (5.2 meters, 635 kg) On the bottom: Record sized 148 kg jaguar (80 cm shoulder height) vs record Orinoco crocodile (6.8 meters, likely about 1.5-1.8 tons based on other large crocodiles).
Going by this chart, I very very comfortably favor the croc even on land.

Read more: http://theworldofanimals.proboards.com/thread/2909/jaguar-orinoco-crocodile#ixzz63jhOBqZI

You might want to think again about that, because an 11-year-old girl did this to a large croc in Zimbabwe! https://www.telegraph.co.uk/news/2019/10...ends-life/https://www.news18.com/news/buzz/brave-1...66565.html
Couple of things regarding that.

1: Jaguars don't go around poking the eyes of crocodiles. No animal does. What makes you think it would have any implication whatsoever on the fight at hand?
2: In a fight to the death, it's not going to help at all. It will, however discourage a predator in a natural encounter

It was actually a case of gouging the eyes out, not just poking them, and though jaguars might not gouge eyes out that brave girl did, but they do come close to that by using their powerful jaws to bite through the heads of their victims: 










On The World of Animals, I have went over why this method is not much of an option on an Orinoco crocodile. See these posts for more info:
http://theworldofanimals.proboards.com/p...238/thread
http://theworldofanimals.proboards.com/p...250/thread
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United States Pckts Offline
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(10-30-2019, 10:37 PM)DinoFan83 Wrote:
(10-30-2019, 10:27 PM)GuateGojira Wrote:
(10-30-2019, 10:12 PM)DinoFan83 Wrote: The 6.8 meter Orinoco is considered a reliable voucher. And I thought there was a big 7 meter and 2 ton saltie in India?

1: May you quote the source of that record please? Also, there is any evidence of a croc of 2 tons in any area? Real evidence please, not speculations.


2: The heaviest wild croc on record, as far I know, is stil "Lolong" at 1,075 kg and 6.17 meters long, so how will be posible that just 1 meter in length more will increase 1 more ton? More likelly a croc of 7 meters probably will weight at least 1.5 ton, and that is a rogue speculation.

3: Appart from that, Dr Brady Barr weighed a buge croc in Costa Rica, it measured 482 cm in total length (tail cut, so probably was around 5 meters long) and weighed 1250 lb (567 kg), it was measured and weighed in camera and I have the video. This is a picture of that croc been weighed:

*This image is copyright of its original author


There is other webpage (http://bradybarr.com/author/c_reganyahoo-com/) at it says that the croc weighed 1600 lb (725.7 kg) but that is not what the video shows and the TV shows was very clear in showing the figure of 1250 lb in the electronic scale. Where they got the figure of "1600 lb"?
1: Here you go
https://en.sambad.in/biggest-ever-crocodile-sighted-odishas-bhitarkanika/
https://www.iucnredlist.org/species/5661/3044743
2: You do know crocodiles get bulkier as the get bigger, right? Moreover, salties at 5 meters have been recorded from 522 kg to over a ton. I see no reason why a little individual variation couldn't come into play here
3: Ehh, maybe a typo somewhere down the line.
It's an estimate, these are only sighted for a Census, not measured or weighed.
"According to Forest department officials, this is the biggest-ever crocodile to have been ever sighted at the sanctuary."
"Departmental sources said as many as 25 teams are engaged in the annual census with the counting of crocs taking place both in the day and night."
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