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Bonneville Hatchery was constructed in 1909. In 1957, the facility was remodeled and expanded as part of the Columbia River Fisheries Development Program (Mitchell Act)—a program to enhance declining fish runs in the Columbia River Basin. The hatchery underwent another renovation in 1974 as part of the U.S. Army Corps of Engineers' (USACE) mitigation of fish losses from the construction of the John Day Dam. In 1998, construction was completed on the Captive Broodstock Facility for the Grande Ronde Basin spring Chinook supplementation program.
The bobcat is the smallest wild felid in Oregon, with females being considerably smaller than males. The bobcat is about twice the size of a domestic cat, but its legs are longer, its tail is shorter, and its body is more muscular and compact. The feet are relatively small and the bobcat is not well adapted to negotiate deep snow. In general, the variously spotted pelage is yellowish with grayish overtones in winter and with reddish overtones in summer, reflecting the two annual molts. The ears are black with a large white spot and are equipped with short black tufts…
The bighorn sheep is a medium-sized, largely brownish bovid with a white rump patch, muzzle, venter, and rear portion of the legs. The tail is blackish brown on the exposed surface. The hooves are equipped with a rubberlike pad that facilitates negotiating rocky terrain. The ears are relatively small and somewhat pointed. Both sexes are equipped with horns; those of males are massive and spiral outward, whereas those of females are relatively thin, recurved, and mostly directed upward and posteriorly. Horn growth reflects nutritional status. Bighorn sheep are capable of moving with speed and agility through the precipitous terrain in…
Lizards are more like ancient reptiles than either snakes or turtles. There are more than 2,500 species of lizards known in the world and they range from legless, snake-like varieties to the better known, four-legged type with five toes on each foot and scaly skin. Most lizards lay eggs but some give birth to live young. Most eat insects and small animals; some eat plants. Many lizards are very fast and most can swim. Some can even "swim" through sand, just below the surface. Lizards don't like to be caught and several species will take some pretty drastic steps to…
Sperm whales inhabit all oceans of the world, and have been observed in Oregon waters from March through November. Sperm whales are usually found in deep off-shore waters so they are only occasionally seen off Oregon by fishers and birders on offshore trips. It is the largest of the toothed whales and possesses the largest brain of any animal with an enormous head to house it. Sperm whales have 20 to 26 large conical teeth found only in their lower jaw. A mature male can grow to 52 feet long with its head representing up to one-third of its length…
The American beaver, the largest rodent in North America, commonly weighs in excess of 55 pounds. The beaver is highly modified for aquatic life with a compact body, paddle shaped tail, webbed hind feet, valves that close their ears and nose while diving, and a rich oil gland that waterproofs their fur. Under water, membranes cover the eyes. Claws on the first and second toes are split and function in grooming; the ears and eyes are small; the tail is broad, scaly and nearly without hairs. The thick underfur is overlain with coarse guard hairs; overall, the pelage (coat) is…
Features: These fish have dark blue backs, silver sides and bellies, and very long pectoral (side) fins. Albacore caught off the Pacific Coast are generally 21 to 30 inches long with the largest fish running about 35 pounds. Habitat: Tuna are pelagic species, meaning they spend their lives in the open ocean. Albacore generally show up 15-200 miles or more off the Pacific Coast in mid-July and stick around through September. Albacore are usually found where surface water temperatures are at least 59 degrees Fahrenheit and the water has a distinct clear blue color (this is where chlorophyll levels are…
Features: Butter clams have oval and oblong shaped shells with heavy, thick valves and hinge. Their shells have fine concentric rings. When the shell is open a little, you can see the pale ruffled mantle reminiscent of a tuxedo. Like the gaper clam, they have their two siphons fused together into one "neck." Average adult size is 3-4 inches but can range up to 5 inches. Butter clams can live more than 20 years. Habitat: Butter clams can be found in a wide variety of substrates but prefer sand and gravel/cobble beaches. They live approximately 6-12 inches deep and can…
Find maps, boundary information and the percent public land in the Powers Unit.
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 skies near favored stopover locations are filled twice annually with the sights and sounds of these geese as they migrate between Arctic breeding grounds and wintering areas farther south. Snow geese share very similar all-white plumage and black wing tips with the less common Ross's goose. These are Oregon's only wild white geese. It is predominantly a spring and fall migrant, especially abundant in large wetland and agricultural complexes such as Malheur National Wildlife Refuge, Silvies River floodplain in Harney County, Lower Klamath National Wildlife Refuge and Klamath Wildlife Area. Wintering snow geese in Oregon are found primarily along…
Features: These fish are dark green, gray or brown on top with an off-white belly and silver or tan sides. The underside of the head and fins can be pinkish. Long second anal fin spine. Silvergrays can be confused with bocaccio rockfish which have a short second anal fin spine. Habitat: Most commonly found between 330 and 990 feet though subadults have been found in kelp beds only 56 feet deep. Adults live over various rocky-bottom habitats. Technique: Work rubber tail jigs or shrimp flies through the schools containing these fish.
Features: Cabezon are a dark green to dark brown with mottling along their sides and with smooth, scaleless skin. The largest cabezon caught was over 20 pounds, but on average they weigh approximately 4 pounds. Habitat: Cabezon live around kelp beds and rocky headlands over hard bottoms. Technique: Cabezon are best caught using rubber tailed jigs tipped with bait. Make sure you are fishing within just a foot or two of the bottom as Cabezon like to hold tight to cover. CAUTION: While Cabezon meat can be safely consumed, its roe is poisonous to humans. Photo credit: Brandon Ford
Features: Brant are a small to medium-size goose. They have smoky black backs and bellies, and dissected white collars and white around the tails provide striking contrast. The brant can live up to 20 years and are resilient enough to ride out storms on the open ocean. Habitats: Brant are primarily found in bays and estuaries, but on occasion can be found inland. They forage on eel grass and other aquatic vegetation. Most of their feeding is in shallow water or in tidal flats. They tend to feed in flocks. Techniques: As with any waterfowl hunting, location is key. Seek…
Features: This species is relatively thin compared to other rockfish. It is easily recognized by its three to four horizontal green stripes that extend onto the caudal fin membranes. The body color ranges from white to reddish; red or orange areas can be observed on the body after capture. Habitat: Though found between 40 and 1,632 foot depths, these rockfish tend to stay between 300 and 825 feet with older/larger individuals found deeper. They live on muddy, sandy and rocky bottoms. Technique: Rubber tail jigs or shrimp flies are good choices when targeting greenstriped rockfish. Be wary of sharp dorsal…