On another occasion:
"Stayed on deck till midnight. The sun just dipped below the southern horizon. The scene was incomparable. The northern sky was gloriously rosy and reflected in the calm sea between the ice, which varied from burnished copper to salmon pink; bergs and pack to the north had a pale greenish hue with deep purple shadows, the sky shaded to saffron and pale green. We gazed long at these beautiful effects."[51]
But this was not always so. There was one day with rain, there were days of snow and hail and cold wet slush, and fog. "The position to-night is very cheerless. All hope that this easterly wind will open the pack seems to have vanished. We are surrounded with compacted floes of immense area. Openings appear between these floes and we slide crab-like from one to another with long delays between. It is difficult to keep hope alive. There are streaks of water sky over open leads to the north, but everywhere to the south we have the uniform white sky. The day has been overcast and the wind force 3 to 5 from the E.N.E.—snow has fallen from time to time. There could scarcely be a more dreary prospect for the eye to rest upon."[52]
With the open water we left behind the albatross and the Cape pigeon which had accompanied us lately for many months. In their place we found the Antarctic petrel, "a richly piebald bird that appeared to be almost black and white against the ice floes,"[53] and the Snowy petrel, of which I have already spoken.
No one of us whose privilege it was to be there will forget our first sight of the penguins, our first meal of seal meat, or that first big berg along which we coasted close in order that London might see it on the film. Hardly had we reached the thick pack, which prevailed after the suburbs had been passed, when we saw the little Adélie penguins hurrying to meet us. Great Scott, they seemed to say, what's this, and soon we could hear the cry which we shall never forget. "Aark, aark," they said, and full of wonder and curiosity, and perhaps a little out of breath, they stopped every now and then to express their feelings, "and to gaze and cry in wonder to their companions; now walking along the edge of a floe in search of a narrow spot to jump and so avoid the water, and with head down and much hesitation judging the width of the narrow gap, to give a little standing jump across as would a child, and running on the faster to make up for its delay. Again, coming to a wider lead of water necessitating a plunge, our inquisitive visitor would be lost for a moment, to reappear like a jack-in-the-box on a nearer floe, where wagging his tail, he immediately resumed his race towards the ship. Being now but a hundred yards or so from us he pokes his head constantly forward on this side and on that, to try and make out something of the new strange sight, crying aloud to his friends in his amazement, and exhibiting the most amusing indecision between his desire for further investigation and doubt as to the wisdom and propriety of closer contact with so huge a beast."[54]
They are extraordinarily like children, these little people of the Antarctic world, either like children, or like old men, full of their own importance and late for dinner, in their black tail-coats and white shirt-fronts—and rather portly withal. We used to sing to them, as they to us, and you might often see "a group of explorers on the poop, singing 'She has rings on her fingers and bells on her toes, and she shall have music wherever she goes,' and so on at the top of their voices to an admiring group of Adélie penguins."[55]
Meares used to sing to them what he called 'God save,' and declared that it would always send them headlong into the water. He sang flat: perhaps that was why.
Two or more penguins will combine to push a third in front of them against a skua gull, which is one of their enemies, for he eats their eggs or their young if he gets the chance. They will refuse to dive off an ice-foot until they have persuaded one of their companions to take the first jump, for fear of the sea-leopard which may be waiting in the water below, ready to seize them and play with them much as a cat will play with a mouse. As Levick describes in his book about the penguins at Cape Adare: "At the place where they most often went in, a long terrace of ice about six feet in height ran for some hundreds of yards along the edge of the water, and here, just as on the sea-ice, crowds would stand near the brink. When they had succeeded in pushing one of their number over, all would crane their necks over the edge, and when they saw the pioneer safe in the water, the rest followed."[56]
It is clear then that the Adélie penguin will show a certain spirit of selfishness in tackling his hereditary enemies. But when it comes to the danger of which he is ignorant his courage betrays want of caution. Meares and Dimitri exercised the dog-teams out upon the larger floes when we were held up for any length of time. One day a team was tethered by the side of the ship, and a penguin sighted them and hurried from afar off. The dogs became frantic with excitement as he neared them: he supposed it was a greeting, and the louder they barked and the more they strained at their ropes, the faster he bustled to meet them. He was extremely angry with a man who went and saved him from a very sudden end, clinging to his trousers with his beak, and furiously beating his shins with his flippers. It was not an uncommon sight to see a little Adélie penguin standing within a few inches of the nose of a dog which was almost frantic with desire and passion.
The pack-ice is the home of the immature penguins, both Emperor and Adélie. But we did not see any large numbers of immature Emperors during this voyage.
We soon became acquainted with the sea-leopard, which waits under the ice-foot for the little penguins; he is a brute, but sinuous and graceful as the seal world goes. He preys especially upon the Adélie penguin, and Levick found no less than eighteen penguins, together with the remains of many others, in the stomach of one sea-leopard. In the water the leopard seems "a trifle faster than the Adélies, as one of them occasionally would catch up with one of the fugitives, who then, realizing that speed alone would not avail him, started dodging from side to side, and sometimes swam rapidly round and round in a circle of about twelve feet diameter for a full minute or more, doubtless knowing that he was quicker in turning than his great heavy pursuer, but exhaustion would overtake him in the end, and we could see the head and jaws of the great sea-leopard rise to the surface as he grabbed his victim. The sight of a panic-stricken little Adélie tearing round and round in this manner was sadly common late in the season."[57]
Fish and small seal have also been found in its stomach. With long powerful head and neck and a sinuous body, it is equipped with most formidable teeth with which it tears strips out of the still living birds, and flippers which are adapted entirely for speed in the water. It is a solitary animal with a large range of distribution. It has been supposed to bring forth its young in the pack, but nothing definite is known on this subject. One day we saw a big sea-leopard swimming along with the ship. He dived under the floes and reappeared from floe to floe as we went, and for a time we thought he was interested in us. But soon we sighted another lying away on a floe, and our friend in the water began to rear his head up perpendicularly, and seemed to be trying to wind his mate, as we supposed. He was down wind from her, and appeared to find her at a distance of 150 to 200 yards, and the last we saw of him he was heading up the side of the floe where she lay.
There are four kinds of seal in the Antarctic; of one of these, the sea-leopard, I have already spoken. Another is called the Ross seal, for Sir James Ross discovered it in 1840. It seems to be a solitary beast, living in the pack, and is peculiar for its "pug-like expression of countenance."[58] It has always been rare, and no single specimen was seen on this expedition, though the Terra Nova must have passed through more pack than most whalers see in a life-time. It looks as if the Ross seal is more rare than was supposed.
The very common seal of the Antarctic is the Weddell, which seldom lives in the pack but spends its life catching fish close to the shores of the continent, and digesting them, when caught, lying sluggishly upon the ice-foot. We came to know them later in their hundreds in McMurdo Sound, for the Weddell is a land-loving seal and is only found in large numbers near the coast. Just at this time it was
the crab-eating seal which we saw very fairly often, generally several of them together, but never in large numbers.
Wilson has pointed out in his article upon seals in the Discovery Report[59] that the Weddell and the crab-eater seal, which are the two commoner of the Antarctic seals, have agreed to differ both in habit and in diet, and therefore they share the field successfully. He shows that "the two penguins which share the same area have differentiated in a somewhat similar manner." The Weddell seal and the Emperor penguin "have the following points in common, namely, a littoral distribution, a fish diet and residential non-migratory habit, remaining as far south the whole year round as open water will allow; whereas the other two (the crab-eating seal and the Adélie penguin) have in common a more pelagic habit, a crustacean diet, and a distribution definitely migratory in the case of the penguin, and although not so definitely migratory in the case of the seal, yet checked from coming so far south as Weddell's seal in winter by a strong tendency to keep in touch with pelagic ice."[60] Wilson considers that the advantage lies in each case with the "non-migratory and more southern species," i.e. the Weddell seal and the Emperor penguin. I doubt whether he would confirm this now. The Emperor penguin, weighing six stones and more, seems to me to have a very much harder fight for life than the little Adélie.
Before the Discovery started from England in 1901 an 'Antarctic Manual' was produced by the Royal Geographical Society, giving a summary of the information which existed up to that date about this part of the world. It is interesting reading, and to the Antarctic student it proves how little was known in some branches of science at that date, and what strides were made during the next few years. To read what was known of the birds and beasts of the Antarctic and then to read Wilson's Zoological Report of the Discovery Expedition is an education in what one man can still do in an out-of-the-way part of the world to elucidate the problems which await him.
The teeth of a crab-eating seal "are surmounted by perhaps the most complicated arrangement of cusps found in any living mammal."[61] The mouth is so arranged that the teeth of the upper jaw fit into those of the lower, and "the cusps form a perfect sieve ... a hitherto unparalleled function for the teeth of a mammal."[62] The food of this seal consists mainly of Euphausiae, animals much like shrimps, which it doubtless keeps in its mouth while it expels the water through its teeth, like those whales which sift their food through their baleen plates." This development of cusps in the teeth of the [crab-eating seal] is probably a more perfect adaptation to this purpose than in any other mammal, and has been produced at the cost of all usefulness in the teeth as grinders. The grit, however, which forms a fairly constant part of the contents of the stomach and intestines, serves, no doubt, to grind up the shells of the crustaceans, and in this way the necessity for grinders is completely obviated."[63]
The sea-leopard has a very formidable set of teeth suitable for his carnivorous diet. The Weddell, living on fish, has a more simple group, but these are liable to become very worn in old age, due to his habit of gnawing out holes in the ice for himself, so graphically displayed on Ponting's cinematograph. When he feels death approaching, the crab-eating seal, never inclined to live in the company of more than a few of his kind, becomes still more solitary. The Weddell seal will travel far up the glaciers of South Victoria Land, and there we have found them lying dead. But the crab-eating seal will wander even farther. He leaves the pack. "Thirty miles from the sea-shore and 3000 feet above sea-level, their carcases were found on quite a number of occasions, and it is hard to account for such vagaries on other grounds than that a sick animal will go any distance to get away from its companions"[64] (and perhaps it should be added from its enemies).
Often the under sides of the floes were coloured a peculiar yellow. This coloration is caused by minute unicellular plants called diatoms. The floating life of the Antarctic is 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."[65] 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 water-line; 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."[66]
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."[67]
It is supposed to be the largest mammal that has ever existed.[68] 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."[69]
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 diatoms[70] 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 Orca[71] and kills these down below,
While up above the Afterguard[72] 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 on its never-ceasing round,
Like a huge recurring decimal ... to which no
End is found.[73]
We were early on the scene compared with previous expeditions, but I do not suppose this alone can explain the extremely heavy ice conditions we met. Possibly we were too far east. Our progress was very slow, and often we were hung up for days at a time, motionless and immovable, the pack all close about us. Patience and always more patience! "From the masthead one can see a few patches of open water in different directions, but the main outlook is the same scene of desolate hummocky pack."[74] And again: "We have scarcely moved all day, but bergs which have become quite old friends are on the move, and one has approached and almost circled us."[75]
And then without warning and reason, as far as we could see, it would open out again, and broad black leads and lakes would appear where there had been only white snow and ice before, and we would make just a few more miles, and sometimes we would raise steam only to suffer further disappointment. Generally speaking, a dark black sky means open water, and this is known as an open-water sky; high lights in the sky mean ice, and this is known as ice-blink.