The Worst Journey in the World, Apsley Cherry-Garrard [free ebooks for android TXT] 📗

most dense. “Diatoms were so abundant in parts of the Ross Sea, that a large plankton net (18 meshes to an inch) became choked in a few minutes with them and other members of the Phytoplankton. It is extremely probable that in such localities whales feed upon the plants as well as the animals of the plankton.”68 I do not know to what extent these open waters are frequented by whales during the winter, but in the summer months they are full of them, right down to the fringe of the continent. Most common of all is the kind of sea-wolf known as the Killer Whale, who measures 30 feet long. He hunts in packs up to at least a hundred strong, and as we now know, he does not confine his attacks to seal and other whales, but will also hunt man, though perhaps he mistakes him for a seal. This whale is a toothed beast and a flesh-eater, and is more properly a dolphin. But it seems that there are at least five or six other kinds of whales, some of which do not penetrate south of the pack, while others cruise in large numbers right up to the edge of the fast ice. They feed upon the minute surface life of these seas, and large numbers of them were seen not only by the Terra Nova on her various cruises, but also by the shore parties in the waters of McMurdo Sound. In both Wilson and Lillie we had skilled whale observers, and their work has gone far to elucidate the still obscure questions of whale distribution in the South.

The pack-ice offers excellent opportunities for the identification of whales, because their movements are more restricted than in the open ocean. In order to identify, the observer generally has only the blow, and then the shape of the back and fin as the whale goes down, to guide him. In the pack he sometimes gets more, as in the case of Balaenoptera acutorostrata (Piked whale) on March 3, 1911. The ship “was ploughing her way through thick pack-ice, in which the water was freezing between the floes, so that the only open spaces for miles around were those made by the slow movement of the ship. We saw several of these whales during the day, making use of the holes in the ice near the ship for the purpose of blowing. There was scarcely room between the floes for the whales to come up to blow in their usual manner, which consists in rising almost horizontally, and breaking the surface of the water with their backs. On this occasion they pushed their snouts obliquely out of the water, nearly as far as the eye, and after blowing, withdrew them below the water again. Commander Pennell noted that several times one rested its head on a floe not twenty feet from the ship, with its nostrils just on the waterline; raising itself a few inches, it would blow and then subside again for a few minutes to its original position with its snout resting on the floe. They took no notice of pieces of coal which were thrown at them by the men on board the ship.”69

But no whale which we saw in the pack, and we often saw it elsewhere also, was so imposing as the great Blue whale, some of which were possibly more than 100 feet long. “We used to watch this huge whale come to the surface again and again to blow, at intervals of thirty to forty seconds, and from the fact that at each of four or five appearances no vestige of a dorsal fin was visible, we began to wonder whether we had not found the Right whale that was once reported to be so abundant in Ross Sea. Again and again the spout went up into the cold air, a white twelve-foot column of condensed moisture, followed by a smooth broad back, and yet no fin. For some time we remained uncertain as to its identity, till at last in sounding for a longer disappearance and a greater depth than usual, the hinder third of the enormous beast appeared above the surface for the first time with its little angular dorsal fin, at once dispelling any doubts we might have had.”70

It is supposed to be the largest mammal that has ever existed.71 As it comes up to blow, “one sees first a small dark hump appear and then immediately a jet of grey fog squirted upwards fifteen to eighteen feet, gradually spreading as it rises vertically into the frosty air. I have been nearly in these blows once or twice and had the moisture in my face with a sickening smell of shrimpy oil. Then the hump elongates and up rolls an immense blue-grey or blackish-grey round back with a faint ridge along the top, on which presently appears a small hook-like dorsal fin, and then the whole sinks and disappears.”72

To the biologist the pack is of absorbing interest. If you want to see life, naked and unashamed, study the struggles of this ice-world, from the diatom in the ice-floe to the big killer whale; each stage essential to the life of the stage above, and living on the stage below:

The Protoplasmic Cycle

Big floes have little floes all around about ’em,
And all the yellow diatoms73 couldn’t do without ’em.
Forty million shrimplets feed upon the latter,
And they make the penguin and the seals and whales
Much fatter.

Along comes the Orca74 and kills these down below,
While up above the Afterguard75 attack them on the floe:
And if a sailor tumbles in and stoves the mushy pack in,
He’s crumpled up between the floes, and so they get
Their whack in.

Then there’s no doubt he soon becomes a Patent Fertilizer,
Invigorating diatoms, although they’re none the wiser,
So the protoplasm passes