large-billed crow taking flight

abstract akan mashu national park animal animals avian back biodiversity bird birds blur blurred blurring color colors colour colours corvid corvids corvus macrorhynchos japonensis crow crows fauna flight fly flying hokkaido japan jungle lake largebilled move movement moving nature one ornithology focus passerine raven ravens species subspecies taking vertebrate vertebrates wild wildlife zoology large-billed flight akan park hokkaido