So, what is the true story behind In the Heart of the Sea? Here’s everything to know about the real Essex whale attack — and the tragic events that followed. On Nov. 20, 1820, a whaling ship ...

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 GERRIT S. MILLER'S paper, “Some o'¦'o¦ hitherto unpublished photographs and measurements of the Blue Whale” (Proc.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.