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Western Skinks will bite if grasped and will flee if they feel threatened. It is a common but secretive species whose range extends throughout Washington, Oregon, Nevada, Utah, and Wyoming and into western Montana and northern Arizona. [44] It is widespread in northern California but restricted to the coast in central and southern California.
Shadow darner - Native to Oregon and common across America. [48] Common green darner - Native to Oregon and common across America. [49] Sooty dancer - Native to Oregon. [50] Paiute dancer - Native to Oregon. [51] River jewelwing - Native to Oregon and common across America. [52] Taiga bluet - Native to Oregon and common across America. [53]
The western meadowlark is Oregon's state bird. The North American beaver is Oregon's state mammal. One way of presenting the fauna of Oregon is classification by lifezone. Oregon is a vastly diverse state in terms of topography and climate. Five of the seven recognized lifezones are identified in Oregon. [1]
More common in sagebrush deserts in eastern Oregon. Sea otter: Enhydra lutris: Mustelidae Extirpated; the last native sea otter in Oregon was killed in the early 20th century. In 1970 and 1971, 95 sea otters were reintroduced from Amchitka Island, Alaska, to the southern Oregon coast. However, the attempt failed and otters soon disappeared.
Many species of wasp, including especially the cuckoo or jewel wasps (Chrysididae), are kleptoparasites, laying their eggs in the nests of other wasp species to exploit their parental care. Most such species attack hosts that provide provisions for their immature stages (such as paralyzed prey items), and they either consume the provisions ...
During a 2002 July survey, Oregon Department of Fish and Wildlife found only dead fish and invertebrates in the normally productive fish habitat at Heceta Bank. The hypoxic , or O 2 -deficient, zone that covered more than 700 km 2 between Newport and Heceta Head was believed to be the cause of the fish and invertebrate mortality. [ 27 ]
Sphex pensylvanicus is a large, black wasp, significantly larger than their congener Sphex ichneumoneus (the great golden digger wasp). [6] Males are smaller than females, at only 19–28 mm (0.7–1.1 in) long compared with typical female sizes of 25–34 mm (1.0–1.3 in). [2]
Speyeria zerene hippolyta is in a clade of three closely related subspecies. In suitable habitat along the U.S. Pacific coast, it is the northernmost one found. Further south, Myrtle's silverspot (Speyeria zerene myrtleae) had a range along the coast from San Mateo County to Sonoma County, California, and Behren's silverspot (Speyeria zerene behrensii) had a range along the northern California ...