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Orca (Killer Whale) v Deinosuchus rugosus
Topic Started: May 5 2012, 11:04 PM (16,427 Views)
Taipan
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Orca (Killer Whale) - Orcinus orca
he killer whale (Orcinus orca), commonly referred to as the orca whale or orca, and less commonly as the blackfish, is a toothed whale belonging to the oceanic dolphin family. Killer whales are found in all oceans, from the frigid Arctic and Antarctic regions to tropical seas. Killer whales as a species have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as sea lions, seals, walruses and even large whales. Killer whales are regarded as apex predators, lacking natural predators. Killer whales distinctively bear a black back, white chest and sides, and a white patch above and behind the eye. Killer whales have a heavy and robust body with a large dorsal fin up to 2 metres (6.6 ft) tall. Behind the fin, they have a dark grey "saddle patch" across the back. Antarctic killer whales may have pale grey to nearly white backs. Adult killer whales are very distinctive and are not usually confused with any other sea creature. The killer whale's teeth are very strong and covered in enamel. Its jaws are a powerful gripping apparatus, as the upper teeth fall into the gaps between the lower teeth when the mouth is closed. The front teeth are inclined slightly forward and outward, thus allowing the killer whale to withstand powerful jerking movements from its prey while the middle and back teeth hold it firmly in place. Killer whales are the largest extant members of the dolphin family. Males typically range from 6 to 8 metres (20–26 ft) long and weigh in excess of 6 tonnes (5.9 long tons; 6.6 short tons). Females are smaller, generally ranging from 5 to 7 metres (16–23 ft) and weighing about 3 to 4 tonnes (3.0 to 3.9 long tons; 3.3 to 4.4 short tons). The largest male killer whale on record was 9.8 metres (32 ft), weighing over 10 tonnes (9.8 long tons; 11 short tons), while the largest female was 8.5 metres (28 ft), weighing 7.5 tonnes (7.4 long tons; 8.3 short tons).

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Deinosuchus rugosus
Deinosuchus is an extinct genus related to the alligator that lived 73 to 80 Ma (million years ago), during the late Cretaceous period. The name translates as "terrible crocodile" and is derived from the Greek deinos (δεινός), "terrible", and soukhos (σοῦχος), "crocodile". The first remains were discovered in North Carolina (United States) in the 1850s; the genus was named and described in 1909. Additional fragments were discovered in the 1940s and were later incorporated into an influential, though inaccurate, skull reconstruction at the American Museum of Natural History. Knowledge of Deinosuchus remains incomplete, but better cranial material found in recent years has expanded scientific understanding of this massive predator. Although Deinosuchus was far larger than any modern crocodile or alligator—measuring up to 12 m (39 ft) and weighing up to 8.5 metric tons (9.4 short tons)—in overall appearance it was fairly similar to its smaller relatives. It had large, robust teeth that were built for crushing, and its back was covered with thick hemispherical osteoderms. One study indicates that Deinosuchus may have lived for up to 50 years, growing at a rate similar to that of modern crocodilians, but maintaining this growth over a much longer period of time. Deinosuchus was probably capable of killing and eating large dinosaurs. It may have also fed upon sea turtles, fish, and other aquatic and terrestrial prey.

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DinosaurMichael
 
Orca vs Deinosuchus
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cheeseburger
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although I guess the orca could defend itself by ramming the gator, but in a fight to the death this still wouldn't save it.
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Super Kaizer Ghidorah
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a 6 ton orca is no match for an 11 ton gator with a 23,000 psi bite force!
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Vivyx
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The orca would easily kill Deinosuchus rogosus, but riograndensis wins this imo.
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Vobby
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This is the level of athleticism that a crocodile very very very much small than both an Orca and Deinosuchus can show.



Deinosuchus, being incredibly heavier, would be less agile for sure.

The Killer-Whale, instaed:



Not to talk about this:


I feel like the Orca would be able to not just outmaneuver the croc, but to really dance around him. The former hunts fast moving preys in water, while the latter was an ambush predator of slow, terrestrial heavy animals, it just didn't need the same maneuvrability. Endothermy and ecthotermy of course play a huge role in this match, like in everyone with crocodile vs mammal predators. Like said, in deep water Orca would prevail.

In shallow water the crocodil may have the edge, but it still needs some weight advantage to be sure of winning, since the orca, despite its size, is the best hunter in shallow waters amongst cetaceans.
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The All-seeing Night
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The largest deinosuchus specimens are about the same size as the orca. The deinosuchus has the edge in armor, and bite force. The orca has the edge in speed, agility, and intelligence. The whale has a huge mobility advantage that allows it to bite the alligator multiple times before the reptile can get a single bite in. He also has a battering ram head, which might also come into play, knocking the deinosuchus away. The round robust body of the killer whale would also be harder to bite. The orca also has better knowledge of where its opponent is due to its sonar, so I doubt the alligator can ambush it. The orca is larger on average and at maximum weights, its more agile, its smarter, it has sonar, its going to win. In shallow water the deinoschus might have an edge, but in deep water. Going with the orca.
http://dealbreaker.com/uploads/2013/02/shamu.jpg
Edited by The All-seeing Night, Feb 5 2014, 03:27 PM.
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ArachnidKid
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The orcas head could literally fit inside the open mouth of its competitor here,in a pod there is no contest. One vs One, i don't see it being able to take out the alligator.
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Vobby
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Crocodiles rarely kill animals, let alone predators, of their own size, they're not suited to do so. The orca, instaed, have the endurance for finishing the job. Note that, after the initial struggle, the reptile would completely lose its energy, and after that there would only be a one sided mauling.
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Ausar
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Vobby
Feb 6 2014, 06:42 AM
Crocodiles rarely kill animals, let alone predators, of their own size, they're not suited to do so. The orca, instaed, have the endurance for finishing the job. Note that, after the initial struggle, the reptile would completely lose its energy, and after that there would only be a one sided mauling.
I have no idea, but I have a bit of a feeling Godzillasaurus might be all over you for that if he was still here.

But yeah, even Deinosuchus riograndensis is smaller than an orca by I believe roughly 30% (6/4.6=1.30434783-1=0.30434783*100=30.4347826). That and they seem to be one of the few animals that actually use intelligence to a ridiculous extent. It should win in deep water IMO.
Edited by Ausar, Feb 6 2014, 07:17 AM.
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The All-seeing Night
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ArachnidKid
Feb 6 2014, 05:43 AM
The orcas head could literally fit inside the open mouth of its competitor here,in a pod there is no contest. One vs One, i don't see it being able to take out the alligator.
The average orca is much larger than your average deinosuchus. My comment was really regarding parity. The orca has has thick skin and blubber, the roundness and diameter would prevent the alligator from getting a good grip. Speaking of heada, the orca has an extremely advanced brain. That combined with a massive agility advantage, the orca could swim circles around the reptile.
If anything the deinosuchus head can fit inside the orca's mouth. If the that happens, you have a dead deinosuchus.
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The All-seeing Night
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The larger specimens of deinosuchus probably had a bite that rivaled t.rex. the orca's bite is probably around the strength of the saltwater crocodile. The deinosuchus' armor would hold up fairly well, however the killer whale can get repeated bites in due to its speed and agility. The killer whale has a thick hide with blubber underneath. The larger more compact body of the orca is hard to bite.
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Ausar
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An accurate size comparison would be good to look at.
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Koolyote
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Feb 6 2014, 11:26 AM
An accurate size comparison would be good to look at.
I agree, I have what is needed for making a size comparison, but I don't know how to make a very accurate one.
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ArachnidKid
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mechafire
Feb 6 2014, 09:20 AM
ArachnidKid
Feb 6 2014, 05:43 AM
The orcas head could literally fit inside the open mouth of its competitor here,in a pod there is no contest. One vs One, i don't see it being able to take out the alligator.
The average orca is much larger than your average deinosuchus. My comment was really regarding parity. The orca has has thick skin and blubber, the roundness and diameter would prevent the alligator from getting a good grip. Speaking of heada, the orca has an extremely advanced brain. That combined with a massive agility advantage, the orca could swim circles around the reptile.
If anything the deinosuchus head can fit inside the orca's mouth. If the that happens, you have a dead deinosuchus.
Well if an animal is on average larger,It's not going to be quicker without the exertion of more energy which would clearly tire it out.Alligators have been known to suffer serious trauma to limbs (even having them torn off) and not bleeding to death, the orcas fins are all heavily used in the turn of its body if i'm not mistaken so that's an advantage for the alligator.As well as greater bite force which would allow any partial grip to be fatal for the orca, It's been discussed before that intelligence really doesn't play a huge factor in bouts such as these which is why i feel the Alligator has the upper hand imo
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The All-seeing Night
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ArachnidKid
Feb 7 2014, 06:06 AM
mechafire
Feb 6 2014, 09:20 AM
ArachnidKid
Feb 6 2014, 05:43 AM
The orcas head could literally fit inside the open mouth of its competitor here,in a pod there is no contest. One vs One, i don't see it being able to take out the alligator.
The average orca is much larger than your average deinosuchus. My comment was really regarding parity. The orca has has thick skin and blubber, the roundness and diameter would prevent the alligator from getting a good grip. Speaking of heada, the orca has an extremely advanced brain. That combined with a massive agility advantage, the orca could swim circles around the reptile.
If anything the deinosuchus head can fit inside the orca's mouth. If the that happens, you have a dead deinosuchus.
Well if an animal is on average larger,It's not going to be quicker without the exertion of more energy which would clearly tire it out.Alligators have been known to suffer serious trauma to limbs (even having them torn off) and not bleeding to death, the orcas fins are all heavily used in the turn of its body if i'm not mistaken so that's an advantage for the alligator.As well as greater bite force which would allow any partial grip to be fatal for the orca, It's been discussed before that intelligence really doesn't play a huge factor in bouts such as these which is why i feel the Alligator has the upper hand imo
That is completely ridiculous. The orca's can move much more powerfully And with less effort than the alligator Being larger does not necessarily mean it would tire out faster. It uses more energy, sure. But, the killer whale is better suited for moving maneuverably. Its amount of energy is proportional to its size. And if we are comparing a bigger whale to a smaller alligator, then the reptile has no chance. The deinosauchus would need to open its mouth to the absolute widest to bite the body of the orca. A bite at the end of its mouth with little grip is not going to kill a robust animal with thick skin and blubber. I'm pretty sure a bite from an alligator can even kill another alligator, the larger more rotund and muscular whale would hold up. The mobility advantage of the killer whale is just too great. Those fins are no weakness, the alligator is too sluggish and not maneuverable enough to bite them off. They give the killer whale exellent control. Lastly, orca's use their intelligence to a huge extent. The orca will easily get in repeated bites.
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Ausar
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Besides, I think weight is a much more important advantage than speed and agility. Unfortunately for Deinosuchus, it's not 8 tonnes anymore.
Edited by Ausar, Feb 7 2014, 10:12 AM.
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