I do not know how long we stayed motionless gazing at this marvelous spectacle. A strong wind blew towards us and we were well concealed, so there was no chance of discovery. From time to time the little ones played round their parents in unwieldy gambols, the great beasts bounding into the air and falling with dull thuds upon the earth. The strength of the parents seemed to be limitless, for one of them, having some difficulty in reaching a bunch of foliage which grew upon a considerable-sized tree, put his fore-legs round the trunk and tore it down as if it had been a sapling. The action seemed, as I thought, to show not only the great development of its muscles, but also the small one of its brain, for the whole weight came crashing down upon the top of it, and it uttered a series of sh