Blue Whale Facts

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Question 1

What world record status does the blue whale (Balaenoptera musculus) hold in biological history?

Question 2

Approximately how much does an adult blue whale's heart weigh, and how large is it?

Question 3

What tiny, shrimp-like zooplankton forms virtually 100% of an adult blue whale's diet?

Question 4

What filter-feeding plates made of keratin hang from a blue whale's upper jaw in place of teeth?

Question 5

How loud are a blue whale's low-frequency vocalizations compared to jet engines and human auditory thresholds?

Question 6

Approximately how much does a newborn blue whale calf weigh at birth, and how fast does it gain weight daily?

Question 7

What biological structure in a blue whale's ear canal builds alternating dark and light wax layers that reveal its age?

Question 8

By what percentage did industrial commercial whaling deplete the global blue whale population during the 20th century?

Question 9

Approximately what is the estimated natural lifespan of a wild blue whale?

Question 10

What extreme dynamic feeding technique do blue whales use to engulf a volume of water larger than their own body?

What world record status does the blue whale (Balaenoptera musculus) hold in biological history?