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This group of mammals includes the American marten, fisher, and wolverine which are all Oregon Conservation Strategy Species.
Observers can see mixed flocks of Oregon's four species of blackbirds, the Great-tailed grackle and the Brown-headed cowbird.
Proposed critical habitat for this endangered species includes Oregon waters. Photo by Alistair Rae, Flickr
Fun little birds to watch, chickadees and nuthatches are common in Oregon. With short, strong bills, they feed on insects and seeds and are often seen in groups.
Oregon's three cat species all belong to the same family as the domestic house cat. Cats are muscular but graceful and have retractable claws to hold prey.
You'll find rails, coots and cranes in marshy areas feeding on plants and small animals. Oregon has two species of rails, one coot and one crane.
Large, slow-moving rodents, porcupines are found on every continent except Antarctica. There are 12 "New World" species in North, Central and South America. In Oregon, there is only one, the common porcupine.
Pigeons and doves are a familiar sight, daintily walking and bobbing their heads. Rock pigeons and Eurasian collared-doves are natives of Europe while Band-tailed pigeons and Mourning doves are native to Oregon.
Oregon has five species of pocket gophers that are specially equipped for digging and tunneling. They have large-clawed front paws with small eyes and ears. Sensitive whiskers help them navigate underground.
There are about 80 species of whales, dolphins and porpoises with 10 of those in the waters off Oregon's coast. These include the mighty gray whale, the awe-inspiring killer whale, and the charming and intelligent bottlenose dolphin.
Gulls and terns can be seen year-round in Oregon, depending on the species. Gulls like open areas around water bodies and are frequently seen where human food is concentrated, such as dumps or restaurants. Terns are in the same family and usually are smaller and more slender.
Invasive species are animals and plants that are not native to an ecosystem and that cause economic or environmental harm. Not all non-native species are invasive, however many become a serious problem. They can aggressively compete with Oregon's native wildlife for food and habitat.
Plumage and structure of flycatchers is so similar that their call is the primary field mark. Oregon has one lark species, the Horned lark that breeds in small scattered populations throughout the Willamette Valley. The Western meadowlark is in a different family and is related to the blackbird, grackle and oriole.
Oregon has many different species of shorebirds, and they live near waterbodies from the ocean to the desert. Shorebirds are easily identified by their small to medium-sized bodies with long legs and thin bills. Location and habitat use, bill shape and body proportions help identify individual species.
The plateau striped whiptail is a medium-sized, all-female species. Reproduction is by parthenogenesis - unfertilized eggs hatch into clones of the mother. In Oregon, this lizard only lives in Cove Palisades State Park. Photo by J. N. Stuart, Flickr
The coast mole is the smallest of the moles in Oregon. It occurs in Baker, Umatilla, Grant, Crook, Union, Sherman and Wasco counties east of the Cascade Range and throughout most areas west of the Cascade Range, except it is absent from much of the Willamette Valley. Photo by Peter Paquet, Flickr
The broad-footed mole is intermediate in size among Oregon moles. It occurs south of a line connecting Hugo, Josephine County; Prospect, Jackson County; Crater Lake, Klamath County; and Fort Rock and Goose Lake, Lake County. Photo from Panegyrics of Granovetter, Flickr