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The Northern harrier is a slender, medium-sized hawk characterized by a noticeably long tail, bold white rump patch, and owl-like face. Commonly encountered in large expanses of open country, its main hunting technique is through use of a distinctive buoyant, gliding flight low over the ground that relies heavily on visual as well as auditory cues to detect prey. The larger females have rich brown upperparts while adult males are mostly light to medium gray, sometimes appearing almost ghostly silvery-white. Males are noted for their high-spirited and acrobatic courtship displays, in particular a series of dives and barrel rolls in…

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…

The majestic trumpeter swan is the largest of our native waterfowl and one of the heaviest flying birds in the world with males sometimes exceeding 30 pounds. Historically hunted to the brink of extinction, it was recognized as an endangered species long before there was an Endangered Species Act, and its recovery is a conservation success story. The adult's snow-white plumage with contrasting black bill and feet and 8-foot wingspan define this magnificent bird. Their neck is as long as their body and is used to reach food at the marsh bottom. In spring, the trumpeter swan is a locally…

The kit fox is the smallest canid that occurs in Oregon. It has the typical canid conformation: the body is slim, the legs are long and thin, and the ears are large and erect. The tail is about 40 percent of the total length and is tipped with black, but has no dark mane on the dorsal surface. The feet and legs are whitish interiorly, light rusty-brown posteriorly. The dorsum is grizzled brownish-gray medially blending to grizzled gray then to light buff laterally and finally to white on the chest and venter. The head and posterior surface of the ears…

The Canada lynx is only slightly larger than the bobcat. Nevertheless, long legs and long fur produce the illusion that the lynx is considerably larger than it actually is. Documented accounts of wild lynx are rare and lynx are not expected to currently reside in Oregon. However, if lynx were to be observed, it is likely to occur at higher elevations such as in the Cascade Range, Blue Mountains or Wallowa Mountains. Habitats used by lynx often are defined in terms of habitats used by their primary prey species, thus good snowshoe hare habitat usually is considered to be good…

The mule deer is the larger member of the genus in Oregon. The ears are long, the metatarsal gland is surrounded by hairs similar in color but considerably longer than those on the remainder of the metatarsus, and the tail is short and constricted basally. Among adult males, the antlers are dichotomously branched with tines of approximately equal length. In winter, the basic pelage color is cinnamon buff. The chest is nearly black at the midline grading to grayish on the sides. The nose, sides of face, chin, and throat are whitish to pale buff. Spots of black occur immediately…