Either the fin whale (Balaenoptera physalus) or the bowhead whale (Balaena mysticetus). The former can reach lengths of 89.5 ft (27.3 m) but only weighs 70 metric tons, while the latter reaches lengths of 65 ft (20 m) and weighs over 100 metric tons.
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∙ 12y agoWiki User
∙ 14y agoThe BBC nature website says that the fin whale is the second largest animal in the world, second only to the blue whale.
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∙ 13y agoThe rhinoceros is the second largest land mammal behind the elephant.
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∙ 14y agoThe blue whale is the largest. The second largest is the fin whale (Balaenoptera physalus.)
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∙ 13y agoThe second largest mammal in the world is the Fin Whale. Mostly found in the oceans of Antarctica.
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∙ 14y agoThe Fin Whale.
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∙ 12y agoThe humpback whale
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∙ 14y agoFin whale.
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∙ 14y agowhale
The blue whale is the biggest mammal.
The biggest mammal in the world is the blue whale and is and endangered species. The second biggest mammal in the world is the hump-back whale which is also an endangered species. Hope this helps
No, I believe the blue whale is the biggest mammal.
The biggest mammal in Lake Orion is a deer
No, the Blue Whale is reputed to be the biggest mammal in the world.
The belief the walrus has the second largest male parts other than the humans have the biggest out of mammals.
whale
I think the biggest animal in the world is the blue whale.
The blue whale is the biggest of all animals, and a mammal.
I guess the wooly mammoth, which is extinct.
No, the blue whale is.
Blue whales.