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The Rocky Mountain tailed frog’s coloring often matches the color of local rocks ranging from brown or reddish-brown to gray. They have grainy textured skin that further enhances their camouflage. Males have a short tail, the signature for tailed frogs. Adult males are slightly smaller than adult females that grow to two inches in length. Rocky Mountain tailed frogs are found in the water or close by it. They live in very shallow and heavily shaded water of fast-flowing, small, permanent streams in older mountain forests with cold and clear water, rocky substrates and little silt. These streams are often…

Peregrine falcons are among the most charismatic and noted of the world's birds. They are described as the fastest animal on the planet, and have been recorded reaching speeds in excess of 240 miles an hour in dives after prey. They are one of Oregon's boldest raptors, and have been observed usurping active Golden eagle nest sites, stealing fish from Ospreys and ground squirrels from adult Bald eagles who stray into their territory. It has, for perhaps 4,000 years, been used by falconers because of its skill in capturing game birds in tandem hunts with humans. Peregrines are medium-sized raptors…

This is one of the most widespread and familiar waterbirds in Oregon. It is the largest heron in North America, standing approximately four feet tall. It is slate gray with a white crown, cheeks, and throat, rusty thighs and a uniformly yellow bill. Adults develop long gray-white plumes on chest, neck, and back during breeding. Juveniles have similar plumage but may be distinguished by absence of breeding plumes, a dark crown, and dark upper bill. Great blue herons frequent many habitats from shallow areas of marshes, lakes, streams, and oceans, where they feed on fish, amphibians, and aquatic invertebrates; to…

Humpback whales are seen during their north and south migrations from northern waters to breeding grounds near Hawaii and also feeding offshore during the summer. Humpbacks have been documented travelling 3,000 miles between Alaska and Hawaii in as few as 36 days. They are usually five to 15 miles offshore, so they are most often seen by fishers. Humpback whales live in all major oceans from the equator to sub-polar latitudes. Humpbacks eat primarily krill and small fish and can consume 3,000 pounds of food a day. Humpbacks grow to 60 feet in length with a stocky body, an obvious…

Like the name suggests, harbor porpoises remain close to shore and in river estuaries and bays usually less than 650 feet deep. This makes them the most likely porpoise seen from shore. They seem more shy than their larger, more gregarious cousins, like the Dall’s porpoise or bottlenose dolphin. You won’t see them riding the bow waves of boats. They are also not as social, usually seen alone or in small groups of two or three, rarely more than five individuals. Found throughout the temperate coastal waters of the Northern Hemisphere, harbor porpoises are the smallest of the Northern Pacific…

Although quite common in the U.S., the Black-crowned night-heron's nocturnal and crepuscular feeding habits can make it difficult to locate. Its habitat consists of marshes, lakes, rivers, and other wetlands, where it feeds mostly on fish. It is a thick-billed, medium-sized, stocky heron with relatively short neck and legs. Adults have a black back and cap which contrast with the pale gray or whitish underparts. Immatures have brown backs with large pale spots and heavily streaked underparts. A distinctive choking squawk call is often heard at dusk. It is a fairly common summer resident east of the Cascades where it…

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…