During feeding seasons, a single blue whale can consume up to 4 tons (3.6 metric tonnes) of krill per day, making them highly efficient marine mammals. Despite their massive size, blue whales are ...

A 40-million-year-old fossilised whale previously thought to be the heaviest animal of all time is now thought to weigh less than a blue whale. The huge, 17-metre-long whale, which was believed to ...

Scientists found that blue whale calves are rarely seen because research happens in summer, but calves are born in winter.

Only two blue whale births have ever been recorded in human history, both decades ago. This remains an extraordinary mystery, ...

and exact size—a complete mystery. If the whale is indeed a blue whale or fin whale hybrid, its expected lifespan could range between 70 and 90 years (although some baleen whales can live much ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

And sightings of calves are remarkably rare, falling far below what should be expected based on pregnancy rates. For example, just 35 were documented in the Gulf of St. Lawrence over a 45-year period, ...

Only two blue whale births have ever been recorded in human ... combined with estimates of the size of calves by month. One concern about low calf sighting rates was that this might be a warning ...

Join Museum scientists as they reflect on becoming part of this specimen's giant story. Since its arrival at the Museum in the 1880s, the blue whale skeleton has been part of an ever-expanding ...