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Interspecies Conflict/whales, bears, and bovids


hey bk, i have some questions
if a tiger stood up in a fight against an ussuri brown bear, how tall would it be? If a sperm whale attacked a humpback how would it attack, what damage would it do? What about against a blue whale?
8 killer whales vs megalodon
jaguar vs marsupial lion
leopard vs marsupial lion
sun bear vs bighorn sheep
zebra vs gorilla
gaur vs 2 polar bears
kodiak bear vs bison at parity
60 ft basilosaurus vs 40 ft mosasuar
hyena vs chimp
2,200 lbs short-faced bear vs 2,100 bison
200 lbs wild boar vs 350 lbs lioness
60 ft livyatan vs 40 ft megalodon
komodo dragon vs american alligators
jaguar vs giant panda
1,000 lbs cape buffalo vs 1,200 lbs moose
elk vs greater kudu at parity
2,700 lbs giant pacarana vs 2,000 lbs daeodon
2,600 short faced bear vs 2,000 lbs daeodon
giant pacarana vs short faced bear (parity)

which animals are the pound for pound stronger?
sperm whale right whale
right whale vs humpback whale
sperm whale vs humpback whale
jaguar vs gorilla
sloth bear vs black bear
american lion vs tiger

Hello Johnny.

Q: If a tiger stood up in a fight against an ussuri brown bear, how tall would it be?
A: A normal-standing tiger's head is about 4ft off the ground.  If it rose up on 2 legs to battle a bear, its head would be about 8ft off the ground (adjusting for the fact its body would still be tilted somewhat).

Q: If a sperm whale attacked a humpback how would it attack; what damage would it do?
A: It would likely try to ram it with its head or strike it with its tail.  Either one of these tactics could stun the other whale.  The sperm whale's bite probably wouldn't be as big a factor as one might think as it is better suited for attacking soft-bodied squid and creatures much smaller than itself.  It would have a better chance of defending itself against, let's say, a killer whale than the humpback whale would be, but it would not automatically dominate a similar-sized whale even though it has a lower jaw full of teeth.  It would likely be more aggressive than the humpback whale.

Q:  If a sperm whale attacked a blue whale how would it attack; what damage would it do?
A:  Same as with the humpback whale, but it would take a few charges & tail strikes to stun the huge blue whale.  The sperm whale would have the mobility advantage.  The blue whale wouldn't have many chances to harm the sperm whale and would likely be driven away by a sperm whale determined to harrass it.

8 killer whales vs megalodon: The huge megalodon would dispatch any killer whale it could get in its jaws, but that won't likely happen here.  Orcas work well together (like wolves) and would have the mobility to attack the megalodon from multiple sides without putting themselves in harm's way.  It would take some time to overtake the shark, but repeated bites from the orca would take their toll.  A killer whale casualty might be possible if they are careless, but they should be mobile enough & intelligent enough to pull this off without losing any members.

jaguar vs marsupial lion: These 2 are similar in size, and have similar attributes (stocky build, great bite force).  The marsupial lion's bite force was even greater than the jaguar's, and it was accustomed to tackling very large prey items.  The jaguar was probably the stronger animal, and may have been slightly heavier.  Close to 50/50.

leopard vs marsupial lion: The marsupial lion would have had the advantage of size & bite force in this contest.  At equal weights the leopard would have put up a great fight, but it's not quite large enough as is to compete with the marsupial lion.  Marsupial lion wins.

sun bear vs bighorn sheep: The bighorn sheep isn't particularly aggressive, but it could probably drive the bear away in a realistic encounter by ramming with its horns.  The bighorn sheep can exert a lot of force with its heavy horns (which weigh about 13kg) by rising up on 2 legs and driving down with its head, but I'm not certain it would do this against a bear the same way it does against rival males.  The sun bear can be quite aggressive, and has very long, sharp claws that can do a lot of damage if it is determined to impose its will on the bighorn sheep.  Sun bears don't typically deal with herbivores of this size, and might find it difficult to control the bighorn's head & neck area to prevent a charge, but should be able to claw the sheep enough to make it retreat (assuming both parties engage to begin with) some of the time.  Close to 50/50.

zebra vs gorilla: The zebra will be about double the gorilla's weight.  The zebra's kicks can cause quick injury to the gorilla (and zebra bite as well).  A gorilla will not know how to overcome a zebra.  It doesn't have claws to grip onto it, and doesn't know how to apply its physical attributes (strength, long arms) in regards to taking down a zebra.  An angry zebra would send the gorilla packing.

gaur vs 2 polar bears: If the polar bears cooperate, they can pull this off.  The gaur will be about 50% heaver than each bear.  The bovid would be able to repel a single polar bear or 2 polar bears that didn't work together, but if these 2 bears grab onto the gaur at the same time, they should have enough strength to pull it down (and keep it down).  The gaur's powerful strikes with its horns could injure both bears quickly if they allow it enough distance to swing its head (or charge).  If the bears have teamwork even remotely close to the teamwork lions employ, they should be able to succeed most of the time.

kodiak bear vs bison (at parity): At equal weights the Kodiak bear would be about 7/8th of the bison's height at the shoulder.  The bear would have powerful paw strikes and adept wrestling ability in its arsenal, and the bison would have horns and a huge head that can ram with lots of force.  Bears are durable & have great endurance.  The Kodiak bear should be able to latch onto the front of the bison to neutralize the head motion, and eventually pull it to the ground.  The bison can win with some strong headbutts, but the bear will be favored slightly in this matchup.

60ft basilosaurus vs 40ft mosasaur: The exact weight for Basilosaurus hasn't been pinned down (disagreements on how robust it was), and it's difficult to assess this matchup without that information.  According to "Dinosaurs: The Complete Guide To Dinosaurs" by Steve Parker, the Basilosaurus weighed about 10 metric tons (metric ton = 2,205lbs).  Other sources list its weight to be well over 50 tons.  A 40ft mosasaur (depending on which one is used) could weigh anywhere from 5 to 12.5 tons.  The previously mentioned "Dinosaurs: The Complete Guide To Dinosaurs" by Steve Parker states that "Some mosasaurs were twice the length and five times the weight of the biggest predatory fish today, the great white shark."  Great white sharks can exceed 20ft in length and weigh 2.5 tons.  If we use the 11-ton version of the Basilosaurus, an average mosasaur would likely defeat it (greater mobility in water; much larger head & jaws).  A Basilosaurus with a weight similar to some modern whales would likely be too large for the mosasaur to tackle.  Its bite wasn't as formidable as mosasaur's (shorter head, smaller gape, jaws geared to eat fish & squid), but it would be enough of an asset (in the 50-ton+ version) to favor it over a mosasaur more times than not.

hyena vs chimp: Depends on the type of hyena.  A large male chimpanzee would probably have the strength & assets (grabbing hands & bite) to get the better of a striped or brown hyena, but a spotted hyena would be too formidable.  The spotted hyena would be just as heavy as the chimp, and its crushing bite would be perilous for the ape.  The chimpanzee might succeed in repelling a spotted hyena (with an aggressive display) in a realistic encounter, but in an actual battle the hyena would be too durable & dangerous for the chimp to deal with.  Hyena wins.

2,200lb short-faced bear vs 2,100lb bison: Close fight.  The short-faced bear wasn't as adept at dealing with large prey as a grizzly or polar bear is (built more for running), but it was still a tough adversary for opponents in its weight range.  Could go either way, but the slightly heavier bear gets the nod.

200lb wild boar vs 350lb lioness: The lioness would win most of the time.  The paws of the lioness would be effective in grabbing onto the boar to keep the tusks at bay, and the killing experience of the cat would enable it to get into position to land a finishing bite to the neck of the pig.  I would actually favor a lioness at parity, but the level of danger would be much greater with a larger boar.  Lioness wins.

60ft livyatan vs 40ft megalodon: At these lengths, Livyatan would be over twice as heavy.  Megalodon had a deadlier bite (sharper teeth), but it's giving up too much size here.

komodo dragon vs american alligator: The American alligator will weigh over 3 times as much, and the komodo dragon's bite would probably have difficulty penetrating most areas on the gator's body because of the bony osteoderms.  One bite from the alligator would likely be enough to subdue the giant lizard.  The potent bite (bacteria/venom) of the komodo dragon likely won't have the same effect on a reptile as it does on a mammal.  Alligator wins.

jaguar vs giant panda: The weights of these 2 will be similar.  The jaguar will have the advantage in agility, quickness, & killing know-how.  The typically passive panda will be able to put up a good fight with paws swipes, but it will be in trouble once the jaguar secures a position in which to deliver a bite to its skull.  Not an easy fight for the jaguar, but it should win most of the time.

1,000lb cape buffalo vs 1,200lb moose: The Cape buffalo will have the edge in strength, weaponry, & aggression.  The bovid's horns are deadly weapons, and can be driven into an opponent with great effect.  The moose, although larger, has wide antlers that serve it better as a shield or a plow than a weapon that causes significant damage (although the points on the antlers can cause wounds).  A moose can be dangerous, but it's not on the same level as a Cape buffalo.  The moose would need more of a weight advantage to compete.  Cape buffalo wins.

elk vs greater kudu (at parity): This would be a close fight.  The strength of each animal would be similar, but the elk's branched, pointed antlers would have greater reach & better positioning to be effective throughout most moments of the fight.  The greater kudu would cause greater injuries if it stabbed with its spiraling horns, but its method of attack would be pushing more so than stabbing.  Slight edge to the elk.

2,700lb giant pacarana vs 2,000lb daeodon: The pacarana would be larger, but it wasn't as fast or mobile for its size than many modern-day rodents.  Its bite was gape-limited compared to Daeodon, and it was probably nowhere near as aggressive.  The giant rodent wouldn't be a pushover, but it doesn't possess the adequate weaponry to deal with the huge bite & dangerous tusks of the entelodont.  Daeodon wins.

2,600lb short-faced bear vs 2,000lb daeodon: The short-faced bear wasn't as adept at tackling large creatures as some of today's bears, but this weight advantage is enough for the bear to be favored.  It will have the power to combat the offense of Daeodon and control it throughout most of the fight.  The bear will need to be wary of the pig's bite & tusks, but it should be able to wear it down.  Short-faced bear wins.

giant pacarana vs short-faced bear (at parity): The giant pacarana is somewhat limited in offense.  Its incisors could deliver a nasty bite, but it's gape was limited and it would need to land many bites to slow down the bear.  Bears have the advantage of paws & claws that can swipe or grab, and they have a strong bite as well.  The pacarana didn't have the speed to "bite & retreat" without getting the brunt of the short-faced bear's attack.  Short-faced bear wins.

Stronger pound-for-pound - Not sure about the pound-for-pound strength of the whales; these are guesses.

sperm whale vs right whale: Probably sperm whale.

right whale vs humpback whale: Probably humpback whale (powerful enough to leap entirely out of the water).

sperm whale vs humpback whale: Probably about even.

jaguar vs gorilla: The gorilla has the edge in pound-for-pound brute strength.  However, the jaguar's muscles are geared more for power (strength + speed), and are in no way inferior to the ape's overall.  Both are capable of great feats of strength.

sloth bear vs black bear: Both are strong, but the black bear has the edge.

american lion vs tiger: The American lion was built more for speed that modern lions, and was probably edged out on pound-for-pound brute strength by the tiger.

Best regards.  

Interspecies Conflict

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Questions regarding animal conflicts within realistic or unrealistic settings are welcome; my strength lies in medium-to-large species. Small animals (including birds of prey), prehistoric animals, sea creatures, and domestic dog breeds are usually within my scope, but to a lesser degree. I can't confidently answer hypothetical questions about human vs animal, arachnids, insects, or amphibians, but I am willing to field them nonetheless.


From a young age, I have been interested in animals. Starting with the original Mutual of Omaha's Wild Kingdom and World Book Encyclopedias, I have seen many animal shows and documentaries and have read multiple books on the subject. I have a solid understanding of the physiology of many animals and interspecies conflict in general.

Associate degree in unrelated field; biology classes in college.

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