
What is the largest mammal in the world? A) Elephant B) Blue Whale C) Giraffe D) Hippopotamus
Answer: B) Blue Whale
Explanation:
The blue whale is definitely the largest mammal on Earth, and it's not even close! These magnificent ocean giants can grow up to 100 feet long and weigh as much as 200 tons. To put that in perspective, that's about as heavy as 33 elephants combined!
Let's compare the blue whale with the other options to understand just how massive it really is. African elephants, which are the largest land mammals, can weigh up to 6-7 tons and stand about 13 feet tall. While that's impressive, it's tiny compared to a blue whale. Giraffes are the tallest land animals, reaching heights of up to 18 feet, but they only weigh around 1-2 tons. Hippos are heavy for their size, weighing about 3-4 tons, but again, they're dwarfed by the blue whale.
What makes blue whales even more amazing is that they achieve this incredible size while eating some of the smallest creatures in the ocean. Their diet consists mainly of tiny shrimp-like animals called krill. A blue whale can eat up to 4 tons of krill in a single day during feeding season! Their mouths are so large that they could hold up to 100 people, yet their throat is only about the size of a dinner plate.
Blue whales are not just the largest mammals alive today – they're actually the largest animals that have ever lived on Earth, even bigger than the largest dinosaurs! Their hearts alone can weigh as much as a small car, and their tongues can weigh as much as an elephant. These incredible creatures can be found in oceans around the world, though their populations were severely reduced by whaling in the past and are now protected by international law.












