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Facts about Blue Whale

The largest surviving population of blue whales is to be found off the west coast of North America and the best place to see them is when they migrate to feed in the Monterey Canyon, off California. Prime blue whale season is August/September but is dependent on the abundance of krill so sightings fluctuate.Oct 1, 2005

It weighs about 3,000 pounds. A blue whale's heart is about 5 feet long, 4 feet wide, and 5 feet tall. It weighs about 400 pounds. One researcher said the blue whale heart was actually the size of a small golf cart—but that's not really true, either.Aug 31, 2015

The females are larger than males, as with all baleen whales. The largest of the blue whales (150 tons) has a heart that weighs about 1,000 pounds (450 kg) and has 14,000 pounds (6,400 kg) of blood circulating in its body.

The Megalodon has been compared to the whale shark (around 12.65 metres, or close to 41.50 feet) and the scientific community has determined that Megalodon was larger, based on both weight and length. Megalodon was also far bigger than the great white shark, which would only be around half of Megalodon's size.

Biggest animal on earth. Blue Whale. Blue whales are so big they are the biggest creature ever to have lived on earth - even bigger than the biggest dinosaurs! The largest whale ever measured was a female weighing 171,000 kgs and measuring over 90ft./27m long.