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Characteristic of open country and cold weather, the Rough-legged hawk can be found soaring over exposed terrain or perched on utility poles across much of the state in winter. The rough appearance of its legs comes from the feathers covering their length, an adaptation that provides extra warmth in frigid weather. In flight, dark wrist patches and belly help identify this large buteo, though like other hawks it is subject to much variation in plumage. From a distance it frequently appears to have a frosty upper half. It often hovers over fields while hunting, a behavior that is rare among…

One of the most startling sounds in the black of night is the loud, harsh call of the Barn owl as it flies over field or marsh in search of small rodents. They are white to tan beneath with fine spotting ranging from almost none to fairly extensive. The face has a well-defined facial disc that acts as a parabolic dish collecting the faint sounds of its prey, allowing it to hunt successfully in total darkness. Male and female Barn owls are similar in appearance though the female is somewhat larger. The Barn owl is a fairly common permanent resident…

Almost strictly nocturnal, the Western screech-owl hunts discreetly at night and roosts during the day in dense woodlands, its perfectly streaked plumage allows it to pass as tree bark. These habits make it difficult to see, and it is more common than many are aware. It is a small owl with yellow eyes and feathered ear tufts. It exhibits geographic variation in plumage color and pattern: both gray morphs and brown morphs occur in the Pacific Northwest. Sexes are alike. The Western screech-owl is a fairly common year-round resident in lower-elevation woodlands throughout Oregon. It is usually found below 3,000…

A thick body, small head and coloration similar to a killer whale make this dolphin easy to recognize. Dall’s porpoise is mostly black with a large white patch on the belly and flanks. The small dorsal fin is partly white and the trailing edges of the tail are frosted white. About seven feet long and weighing around 400 pounds, Dall’s live only in the north Pacific. Dall’s are the fastest of all small cetaceans and can swim at up to 35 miles per hour, almost as fast as a killer whale. When swimming at the surface they create a characteristic…

The Long-tailed weasel is the larger of the two weasels in Oregon, but smaller than the other member of the genus, the mink. Males are considerably larger than females. The head is flattened and somewhat triangular; the body and neck are elongate and almost cylindrical; the legs are short, and the tail is long. The summer pelage is brown dorsally; the venter is yellowish to orangish except for a white chin and sometimes one or more scattered brown spots. The tip of the tail is black. The pelage is molted twice annually. In the Cascade Range and eastward through the…

Features: The Pacific sanddab is left-eyed, meaning both eyes are on the left side of the body. The eyed-side is dull light brown, mottled with brown or black, and sometimes yellow or orange. The blind-side is off-white to tan. They have an oval shaped body with large scales. They can grow to be 16-inches long and up to 2 pounds, though most weigh less than 1/3 pound. Habitat: As you probably guessed, sanddabs like to hang out on sandy bottoms. They are most abundant at depths of 20-50 fathoms, and are common in shallow coastal waters from British Columbia to…

The most common whale off the Oregon coast is the gray whale. In addition to the approximately 200 resident gray whales that live nearly year-round off Oregon, a winter and spring migration brings about 18,000 more past our coast. Gray whales are baleen whales (mysticetes). They grow to 50 feet in length and will weigh up to 80,000 pounds; adult females are larger than males, which is common in all baleen whales. They do not have a dorsal fin on their back but instead have a series of knuckles. These whales are mottled gray and are covered with barnacles and…

The Short-eared owl is one of our most conspicuous owls owing to its use of open country and crepuscular habits. It is often seen hunting low over the ground across marshes, fields, and other open areas on its buoyant, long wings, flying slowly and irregularly like a giant moth. This owl also differs from most other owls as it seldom vocalizes and is more often seen than heard. It was named for its inconspicuous "ear" tufts arising from the center of the forehead, though field observers rarely see these tufts. Distinguishing characteristics include a pale buff facial disk and a…