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About Jonathan Wright
Expertise
I can answer questions about wild mammals, as well as other wild animals. I can also answer questions on extinct animals and zoos. PLEASE DON'T SEND ME ANY QUESTIONS ABOUT PETS. IF YOU ARE REALLY WORRIED, YOU SHOULD CONTACT A VETERINARIAN. PLEASE DO NOT ASSUME THAT UNPAID PEOPLE ON ALLEXPERTS ARE AVAILABLE 24 HOURS A DAY AND WILL PROVIDE YOU WITH ADVICE THE MOMENT YOUR ANIMAL GETS ILL. Find out how to look after a pet before you get it. It is unfair to keep an animal in inappropriate conditions and give it the wrong food. If you can't keep an animal in good conditions, please don't bring it into your home. I'm not a vet and I don't have any expertise in animal medicine and care. I don't agree with people taking animals out of the wild and then expecting other people to give free advice on how to look after them. It is cruel to take animals away from their parents, who are able to look after the babies and may look for them, while putting their other babies at risk. You may need a licence to look after some animals. You may be breaking the law by keeping wild animals; please check with a local wildlife organisation. IF YOU FIND AN INJURED ANIMAL, PLEASE CONTACT A WILDLIFE VETERINARIAN OR CHARITY AND LET TRAINED STAFF LOOK AFTER THE ANIMAL. DO NOT TRY TO LOOK AFTER AN INJURED ANIMAL IF YOU DO NOT KNOW WHAT YOU ARE DOING. Please do not remove eggs from nests. The mother birds will know the right temperature for the eggs and will not sit on them if the temperature is warm enough for them to develop naturally. It is illegal to remove eggs of some species and, unless you have an incubator or a broody hen, the egg may not develop. If you are allowed to touch the eggs, you can candle them (check details on websites) to see if the eggs are fertile. If the eggs are not fertile, they will not hatch. I do not agree with fights between different animals. Please do not ask me questions about them.

Experience
I have a zoology degree and have been interested in animals since I was two years old. I am a zoo volunteer at London Zoo. I have appeared on a BBC Radio Quiz, 'Wildbrain'.

Organizations
World Wide Fund for Nature. Zoological Society of London. London Bat Group.

Publications
Newsletters of London Zoo volunteers and the London Bat Group

Education/Credentials
BSC degree in Zoology. 'A' levels in Zoology and Chemistry. 'O' Level in Biology.

 
   

You are here:  Experts > Animals/Pets > Veterinary Medicine > Wild Animals > silver back gorilla versus a grizzly bear

Wild Animals - silver back gorilla versus a grizzly bear


Expert: Jonathan Wright - 1/8/2005

Question
Ok, so theres this arguement about these two animals fighting. Keep in mind were figuring their both the same weight, what would be their advantages and disadvantages and who would be victor?

Answer
Dear Jason

Thanks for your question.

Please note that grizzly bears and gorillas have reputations for ferocity, but these are probably exaggerated. This is especially true for gorillas, which are far more peaceful than the ‘King Kong' image suggests. In fact, chimpanzees are far more dangerous and will kill each other, as well as hunting in groups and tearing monkeys and antelopes apart.

Gorillas live in Africa, while grizzly bears live in North America, so there is no likelihood of them coming into contact with one another in the wild, unless one of them were introduced into the habitat of the other.

They also live in different habitats. Most gorillas inhabit lowland tropical rainforest, but some live in bamboo forest and montane rainforest. The grizzly bear prefers open habitats, such as tundra, alpine meadows and coastlines. This means that a gorilla would not adapt well to the bear's habitat and the bear would not adapt well to the gorilla's habitat.

I think that if they ever came into contact, they would avoid one another. Grizzly bears rarely attack people and prefer to avoid confrontation. A male gorilla will go through various threat displays and will avoid fighting if he can. If anything, I think the gorilla would back down if the bear did not move away and I can't really imagine a bear being put off by a gorilla chest-beating or hooting. A gorilla will usually only attack if an aggressor runs away. It will back down if the aggressor stays where it is. I can't really see the grizzly turning tail.

I think a fight would be very unlikely, but if they were to fight, I believe that the bear holds most of the trump cards. If the gorilla and grizzly are the same size, it would involve a full-grown male gorilla fighting a rather small grizzly bear. This will benefit the gorilla more than if there were two full-grown animals fighting, as the bear would be heavier.

The gorilla is mainly vegetarian and rarely feeds on animal matter, whereas a grizzly can kill a moose with one swipe of its paw. The bear has the advantage here.

The gorilla's ferocity is a bluff to deter potential adversaries. The bear is being genuinely ferocious and has the advantage here, as it is less likely to back down.

Both have powerful canine teeth and use these mainly in threat displays. The bear is more likely to use the canines to bite and kill prey, while gorillas are practically herbivorous. The bear has the advantage here.

Both have powerful upper limbs, but the bear has long claws, whereas the gorilla has nails. Once again, the bear has the advantage to the bear.

The gorilla is more intelligent than the bear, but the gorilla has more facial expressions. Bear keepers say that it is very difficult to read a bear's mind, because of the lack of facial expression. I don't think the gorilla would be able to either, so I don't think the gorilla's intelligence would be much of an advantage here.

Perhaps the only advantage to a gorilla and bear in a one-on-one situation is habitat. The bear would have the advantage in a clearing, but the gorilla would have the advantage if it ran into a rainforest or montane forest and the bear followed. I can't really imagine a bear chasing a gorilla into a forest or other gorillas fighting the bear – I presume you want a one-on-one fight. Chimpanzees can band together to kill leopards, but I haven't heard cases of gorillas doing so.

But, as I stated earlier, I don't think a fight would be likely, especially as one of the animals would be rather disorientated in a strange habitat. It is also unusual for individuals of different species to fight one another. The nearest is when a predator is attacking a prey animal. As bears do not prey on gorillas, this is not a natural phenomenon.

I hope the above scenario does not occur. I don't like the idea of people gaining enjoyment by watching animals fight one another. I hope that your argument is more of a speculative nature, rather than a desire to see animals fighting to the death. Gorillas are becoming increasingly threatened by deforestation and hunting for bushmeat and trophies, while various types of grizzly bear are also threatened. The Mexican grizzly bear is extinct, while other varieties have been classified as threatened under the US Endangered Species Act. Having grizzly bears and gorillas fighting one another is not a good idea.

All the best

Jonathan


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