During the following days a large number of birds, such as gannets, sea-swallows, and tropic-birds, flew around the caravels. Columbus turned their presence to account as a means of reassuring his companions, who were beginning to be terribly frightened at not meeting with land after six weeks of sailing. His own confidence never abated, but putting firm trust in God, he often addressed energetic words of comfort to those around him, and made them each evening chant the Salve Regina , or some other hymn to the Virgin. At the words of this heroic man, so noble, so sure of himself, so superior to all human weaknesses, the courage of the sailors revived, and they again went onwards. We can well imagine how anxiously both officers and men scanned the western horizon towards which they were st