“The brown owl, the horned owl, the barn-owl and other species of this family, are known under the name of nocturnal birds of prey. They are called birds of prey because they live on the small animals that they catch, such as rats and mice, both those that infest our houses and those that live in the fields. Owls are, among birds, what cats are among quadrupeds,—the inveterate foes of all those small rodents of which the mouse is our most familiar example. “The French language has recognized this analogy in its term chat-huant [7] (hooting cat) applied to a certain kind of owl. This bird is, in some sort, a cat in its manner of living, a cat that flies and that utters a long-drawn cry like a plaintive howl. It is nocturnal; in other words, it keeps itself hidden by day in some obscure retreat, whence it comes forth only at nightfall, to hunt in the twilight and under the rays of the moon. “Owls have eyes of remarkable size, round, and both in a frontal position instead of being placed one on each side of the head. A broad rim of fine feathers encircles each eye. The reason for their great size is found in the bird’s nocturnal habits. Having to seek its food by a very feeble light, it must, in order to see with any distinctness, have eyes that admit as much light as possible; that is, eyes that open very wide. “But this wide-openness of the eyes, so advantageous by night, is a serious inconvenience to the owl in the bright light of day. Dazzled, blinded, by the sun’s rays, the bird of darkness keeps itself in hiding and dares not venture forth; but if forced to do so, it observes the utmost circumspection, flying with cautious hesitation and by short stages. The other birds, those accustomed to broad daylight, come and insult it at will. Robin redbreast and the tomtit are the first to pay their compliments in this manner, and are followed by the chaffinch, the jay, and many others.” “And doesn’t the owl do anything to get even with them?” asked Jules. “Very little,” replied his uncle. “Perched on a branch of some tree, the night bird answers its aggressors by a grotesque balancing of its body, turning its large head this way and that in a ridiculous fashion, and rolling its eyes in bewildered alarm. Its menaces are vain: the smallest and weakest birds are its boldest tormentors, pecking it and pulling its feathers without its daring to defend itself.