Male great spotted woodpecker clings to side of tree trunk in woods

great spotted woodpecker woodpecker male dendrocopos major plumage trunk red patch woodlands ornithology wildlife cling side tree trunk woods birdwatching pied bird forest avian dendrocopos picidae piciformes tree black and white distinctive scarlet lower belly aves nature wild species feathers fauna outdoors natural birds woodland day horizontal shallow depth shallow focus bird behavior swedish sweden no people nobody locked off wilderness gavleborg scandinavia