This, by the way, suggests the best method of finding an owl's haunts. It is to search, not overhead, but on the ground under large trees, till a pile of these little balls, of dry feathers and hair and bones, reveals the nest or roosting place above.
It seems rather remarkable that my fisherman-owl did not make a try at the coots that were so plenty about him. Rarely, I think, does he attempt to strike a bird of any kind in the daytime. His long training at the north, where the days are several months long, has adapted his eyes to seeing perfectly, both in sunshine and in darkness; and with us he spends the greater part of each day hunting along the beaches. The birds at such times are never molested. He seems to know that he is not good at dodging; that they are all quicker than he, and are not to be caught napping. And the birds, even the little birds, have no fear of him in the sunshine; though they shiver themselves to sleep when they think of him at night.
I have seen the snowbirds twittering contentedly near him. Once I saw him fly out to sea in the midst of a score of gulls, which paid no attention to him. At another time I saw him fly over a large flock of wild ducks that were preening themselves in the grass. He kept straight on; and the ducks, so far as I could see, merely stopped their toilet for an instant, and turned up one eye so as to see him better. Had it been dusk, the whole flock would have shot up into the air at the first startled quack—all but one, which would have stayed with the owl.
His favorite time for hunting is the hour after dusk, or just before daylight, when the birds are restless on the roost. No bird is safe from him then. The fierce eyes search through every tree and bush and bunch of grass. The keen ears detect every faintest chirp, or rustle, or scratching of tiny claws on the roost. Nothing that can be called a sound escapes them. The broad, soft wings tell no tale of his presence, and his swoop is swift and sure. He utters no sound. Like a good Nimrod he hunts silently.
The flight of an owl, noiseless as the sweep of a cloud shadow, is the most remarkable thing about him. The wings are remarkably adapted to the silent movement that is essential to surprising birds at dusk. The feathers are long and soft. The laminæ extending from the wing quills, instead of ending in the sharp feather edge of other birds, are all drawn out to fine hair points, through which the air can make no sound as it rushes in the swift wing-beats. The whish of a duck's wings can be heard two or three hundred yards on a still night. The wings of an eagle rustle like silk in the wind as he mounts upward. A sparrow's wings flutter or whir as he changes his flight. Every one knows the startled rush of a quail or grouse. But no ear ever heard the passing of a great owl, spreading his five-foot wings in rapid flight.
He knows well, however, when to vary his program. Once I saw him hovering at dusk over some wild land covered with bushes and dead grass, a favorite winter haunt of meadow-larks. His manner showed that he knew his game was near. He kept hovering over a certain spot, swinging off noiselessly to right or left, only to return again. Suddenly he struck his wings twice over his head with a loud flap, and swooped instantly. It was a clever trick. The bird beneath had been waked by the sound, or startled into turning his head. With the first movement the owl had him.
All owls have the habit of sitting still upon some high point which harmonizes with the general color of their feathers, and swooping upon any sound or movement that indicates game. The long-eared, or eagle-owl invariably selects a dark colored stub, on top of which he appears as a part of the tree itself, and is seldom noticed; while the snowy owl, whose general color is soft gray, will search out a birch or a lightning-blasted stump, and sitting up still and straight, so hide himself in plain sight that it takes a good eye to find him.
The swooping habit leads them into queer mistakes sometimes. Two or three times, when sitting or lying still in the woods watching for birds, my head has been mistaken for a rat or squirrel, or some other furry quadruped, by owls, which swooped and brushed me with their wings, and once left the marks of their claws, before discovering their mistake.
Should any boy reader ever have the good fortune to discover one of these rare birds some winter day in tramping along the beaches, and wish to secure him as a specimen, let him not count on the old idea that an owl cannot see in the daytime. On the contrary, let him proceed exactly as he would in stalking a deer: get out of sight, and to leeward, if possible; then take every advantage of bush and rock and beach-grass to creep within range, taking care to advance only when his eyes are turned away, and remembering that his ears are keen enough to detect the passing of a mouse in the grass from an incredible distance.
Sometimes the crows find one of these snowy visitors on the beach, and make a great fuss and racket, as they always do when an owl is in sight. At such times he takes his stand under a bank, or in the lee of a rock, where the crows cannot trouble him from behind, and sits watching them fiercely. Woe be to the one that ventures too near. A plunge, a grip of his claw, a weak caw, and it's all over. That seems to double the crows' frenzy—and that is the one moment when you can approach rapidly from behind. But you must drop flat when the crows perceive you; for the owl is sure to take a look around for the cause of their sudden alarm. If he sees nothing suspicious he will return to his shelter to eat his crow, or just to rest his sensitive ears after all the pother. A quarter-mile away the crows sit silent, watching you and him.