In this period the whale went out on many food-foraging missions, diving up and down in the water. His longest dive lasted for 16.5 minutes and the maximum depth he swam underwater was 600 feet ...

View Full Profile. Learn about our Editorial Policies. A blue whale’s heart can beat as few as two times a minute. The discovery comes from data collected during researchers’ first few attempts to ...

MR. GERRIT S. MILLER'S paper, “Some o'¦'o¦ hitherto unpublished photographs and measurements of the Blue Whale” (Proc. U.S. Nat. Mus., Vol. 66, pp. 1-4, Pis. i ...

But across various blue whale populations, high pregnancy rates of 33-50% annually seem to contradict the average 3.1% rate of sightings of blue whales involving mother-calf pairs.