![]() Use a tape measure to determine the length of the group. ![]() Instruct students to lay head to foot in a straight line across the length of the classroom floor. Tell the class that since they have one measurement for each. This is an individual characteristic, and if the individual is relaxed it will generally raise its flukes high up in the air on each sounding dive. Have students compare their combined lengths to the length of a blue whale. Ask students to convert measurements and compare their bodies to the length of marine organisms. Although not noted for raising their flukes when diving, approximately 18% of blue whales observed in the western North Atlantic and Northeast Pacific do so. The gray whale is the next longest whale on the list, a medium-sized baleen whale averaging 49 feet in length and weighing an average of 72,000 lbs. Yes, we are open Ample space for social distancing. Blue whales are observed most commonly alone or in pairs however, concentrations of 50 or more can be found spread out in areas of high productivity. Find out how big each whale species is including the blue whale, fin whale, bowhead whale and more. Generally ranging in length from 80 to 100 feet (24 to 30 meters), the longest one ever recorded was a. Despite having being reduced greatly due to whaling, the blue whale remains a cosmopolitan species separated into populations from the North Atlantic, North Pacific, and Southern Hemisphere. Blue Whales Can Grow More Than 100 Feet Long They are gigantic. In terms of weight, Blue Whales weigh as much a whopping 400,000 pounds There are a few interesting facts about the mass of a whale, some of which should startle you. Also, the largest known blue whales reside close to Antarctica in the southern ocean. For maximum size descriptions, female measurements are used because female baleen whales are larger than males. The average blue whale is recorder to hit lengths of about 90 feet and 100 feet long. A 190-ton female was reported taken off South Georgia in 1947 however, body weights of adults generally range from 50 to 150 tons. In the North Pacific females of 26.8 m (88 ft) and 27.1 m (89 ft) have been recorded. The largest recorded for the Northern Hemisphere was a 28.1-m (92-foot) female reported in whaling statistics from catches in the Davis Strait. The largest recorded were caught off the South Shetlands and South Georgia and were 31.7–32.6 m (104–107 ft) long. On average, Southern Hemisphere blue whales are larger than those in the Northern Hemisphere. This chapter discusses the blue whale, a whale belonging to the family Balaenopteridae, which includes the group of cetaceans known as rorquals.
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