Great spotted woodpecker perched on side of tree trunk

great spotted woodpecker dendrocopos major woodpecker pied white and black plumage birdwatching fauna nature wildlife bird woodlands plumage white and black red patch palearctic tree bark forest chisel insects eurasia climbing trees zygodactyl mediumsized woodpecker ornithology aves wild species feathers avian perched tree trunk trunk outdoors natural no people nobody horizontal 40 seconds or greater