ON THE EDGE OF EXTINCTION - A - THE TIGER (Panthera tigris)

[Shadow]

(10-21-2018, 07:44 AM)Vegeta San Wrote:

(10-20-2018, 07:20 PM)Shadow Wrote: But what comes to Amur tigers and brown bears. I also have been curious about their relationship in far east. I also think, that situation is kind of balance there. Tigers do kill brown bears, but what comes to adult bears, then we are talking about females. With male bears victims are young ones, not adults. Adult male brown bear and tiger there are obviously not challenging each others in normal situations. What comes to adult male bear and size, there is one thing to consider too and it would be also interesting to see more close details about weight statistics of bears.

Tigers had killed adult male brown bears too in history. There are four different Cases of it, all were legit sources. Ask @peter about this, he'll explain you in detail. 

Adult male brown bears are not immune to tiger attacks. But these are very rare, and probably not occurs by modern day smaller and unhealthy Siberian Tigers.

I've read a document from a member called @Vodmeister in his blog from old Carnivora.
Saying that historical ussuri brown bears are also giants on average as compared to modern day ussuri brown bears.
But unfortunately it has been totally changed to new Carnivora and I cannot found that document from his blog. 

Well if this is the matter, then why should modern day Siberian Tigers stopped targeting modern day bears (as they're also smaller than historical specimens). Maybe the reason of tigers being unhealthy. I've read a few sources saying that modern day Siberian Tigers are not healthy and barely reach adult size. 
This is important, tigers are efficient hunters. They don't need to risk their life against a Adult male Brown bear due to them being unhealthy. 

It must be a reason for tigers to stop attacking adult male brown bears. However adult male brown bears are also avoid confrontations with adult male tigers...

As I wrote, it looks like adult male brown bears and adult male tigers don´t seem to challenge each others in normal situations. Yes, when we look 19th century, 20th century and 21st century so far, we have a few cases back and forth with more or less information. Is there a few cases tigers killing adult male bears, why not? A few cases bears killing adult male tigers, why not? About 200 years is a lot of time and there have to be many cases which we never will know. 

But when we look at cases we know and include there uncertain ones which can be argued, we still have so few cases, that those are more or less meaningless. Obviously these animals are able to kill each others and that most probably is the thing keeping adult males avoiding each others usually. When we look latest timeline or as you say modern days, it looks to be just normal situation. If we put statistics there and include uncertain cases, we have a dead adult male brown bear maybe once in 40-50 years. Same with killed male tigers. So latest statistics can be seen also just confirming normal relationship between these animals. 

I haven´t seen any researcher talk about it, that tigers nowadays would be unhealthy, so I don´t know about that. I have seen theories, that it is more difficult to find prey and forcing tigers to consume more energy in hunting and keeping them in lighter weights. But hopefully conservation programs are efficient in future and if poaching can be stopped or at least limited to be a minor factor, maybe we can see in future some bigger tigers too, than lately, what comes to weight. Reply