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Map all coordinates using OpenStreetMap. Download coordinates as: KML; ... Pages in category "Sounds of Alaska" The following 11 pages are in this category, out of 11 ...
The willow ptarmigan is the state bird of Alaska. The list of birds of Alaska includes every wild bird species recorded in the U.S. state of Alaska, based on the list published by the Alaska Checklist Committee. As of January 2022, there were 534 species on the official list. Of them, 55 are considered rare, 149 are casual, and 79 are accidental, all as defined below. Another 18 and a species ...
This refuge system created the Migratory Bird Treaty Act of 1918 which conserves the wildlife of Alaska. In 1929, a 28-year-old forester named Bob Marshall visited the upper Koyukuk River and the central Brooks Range on his summer vacation "in what seemed on the map to be the most unknown section of Alaska." [4]
Acoustic harassment and acoustic deterrents are technologies used to keep animals [1] and in some cases humans away from an area. Applications of the technology are used to keep marine mammals away from aquaculture facilities and to keep birds away from certain areas (for instance in the vicinity of airports and blueberry fields).
An estimated 30,000 brown bears live in Alaska. [3] Of that number, about 1,450 are harvested by hunters yearly. [4] Brown bears can be found throughout the state, with the minor exceptions of the islands west of Unimak in the Aleutians, the islands south of Frederick Sound in southeast Alaska, and the islands in the Bering Sea. [2]
A spectrogram of the soundscape of Mount Rainier National Park in the United States. Highlighted areas show marmot, bird, insect and aircraft noises. Soundscape ecology is the study of the acoustic relationships between living organisms, human and other, and their environment, whether the organisms are marine or terrestrial.
The 3,400 square mile (8,700 km 2) refuge is situated on the Arctic Circle to the east of Kotzebue Sound. It is bounded on the north by the Waring Mountains and Kobuk Valley National Park ; and to the south by the Selawik Hills and the Purcell Mountains.
Birds of different species may follow similar routes, and populations from one area may merge with other groups and diverge to reach different destinations. Flyways tend to avoid obstacles such as mountain ranges and oceans, running parallel to the barriers and following routes along the coast or along major river valleys.