black raven bird sitting on an icecap of skaftafell glacier, part of vatnajokull national park, iceland

animal arctic beak bird black blue ice climate cold common corax corvus crevasse crevice crow europe falljokull fissure formation frozen glacial glacier hike hiking cap icecap iceland icelandic icy mountain national natural nature outdoor park raven reserve scenic skaftafell skaftafellsjokull snow svashy nafelsjokull tourism travel vatnajokull vatnajapara kull white winter