Podcast
Questions and Answers
Female blue whales are smaller and lighter than males.
Female blue whales are smaller and lighter than males.
False
Blue whales have excellent eyesight.
Blue whales have excellent eyesight.
False
A blue whale's heart is the smallest of any animal, weighing about 50 pounds.
A blue whale's heart is the smallest of any animal, weighing about 50 pounds.
False
Blue whales are the smallest living creatures on the planet.
Blue whales are the smallest living creatures on the planet.
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Blue whale calves can gain 9 pounds per day.
Blue whale calves can gain 9 pounds per day.
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Study Notes
- Blue whales are the largest living creatures on the planet, measuring up to 100 feet long.
- Their heart is the largest of any animal, weighing about 1300 pounds, and their tongue alone weighs three tons.
- Blue whales have poor eyesight but excellent hearing and sensitive skin, with unique markings used for identification.
- They feed mainly on krill, consuming about 35 million krill each day during summer months.
- Female blue whales are larger and heavier than males to produce enough milk for their calves.
- Blue whales give birth to calves, which drink nearly 50 gallons of milk per day and can gain 9 pounds per hour.
- Blue whales can hold their breath for up to 30 minutes, exhaling through blowholes with a thunderous sound.
- They are found in all oceans, have three subspecies, and migrate to warm areas near the equator for winter.
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Description
Test your knowledge about blue whales, the largest animals on the planet with unique characteristics such as a massive heart, sensitive skin, and impressive feeding habits. Learn about their reproductive patterns, migration behaviors, and remarkable physiology.
