Ravens are found in a variety of habitats throughout the world, including forests, mountains, deserts, and tundra. They are particularly common in the northern hemisphere, with large populations found in North America, Europe, and Asia.In North America, ravens can be found in a wide range of habitats, including the boreal forests of Canada and Alaska, the deserts of the Southwest, and the mountains of the West. They are also found in the Great Basin and throughout the Rocky Mountains. In the eastern United States, ravens are found in the Appalachians and in some areas of the Midwest.In Europe, ravens are found in a variety of habitats, including the taiga forests of Scandinavia and Russia, the mountains of the Alps and Pyrenees, and the steppes of Central Asia. They are also found in the Mediterranean region, including Spain, Italy, and Greece.In Asia, ravens are found in a variety of habitats, including the Himalayas, the steppes of Central Asia, and the forests of Siberia and Japan. They are also found in the deserts of Mongolia and China.Ravens are known for their intelligence and adaptability, which allows them to thrive in a wide range of habitats. They are opportunistic feeders and will eat a wide variety of foods, including fruits, berries, insects, small mammals, and carrion. They are also known to cache food for later consumption.Ravens are also known for their complex social behavior, which includes forming pairs for life, and holding large gatherings, called 'murders', which can include hundreds of birds. They have a large and varied vocabulary of calls, which they use to communicate with each other.In addition to their intelligence and adaptability, ravens are also known for their playfulness. They have been observed engaging in activities such as sliding down snow-covered roofs, playing games of catch with one another, and performing aerial acrobatics.Overall, ravens are found in a variety of habitats throughout the world, and are known for their intelligence, adaptability, and playfulness. They are fascinating birds to observe and study, and their presence in an ecosystem is an indicator of a healthy environment.