Pack of wolves howling (Canis lupus) on snow, captive, Sumava National Park, Bohemian Forest, Czech Republic, Europe

canis lupus gray wolf canis lupus snow winter adult pack animals overview temperate forest canis shrill national park least concern iucn november sumava national park vocal communication nobody gray wolves canis lupus snow covered snowy adults packs animals overviews global sight global sights full length temperate forests holler holling shrilling national parks sensitive natural areas least concern species with nobody wolf canis sp canine carnivoran mammal wild animal animal solid precipitation precipitation 2 meteorological phenomenon meteorology science temperate season seasons ambiance stage of development individual group enumeration shot forest area canidae carnivora mammalia therapsida synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota shout sound communication communicate social behaviour behavior environment protection environment management biodiversity management environment low risk iucn iucn red list of threatened species species bohemia historical region czech republic european union europe