bluetit bird, cyanistes caeruleus,with outstretched wings feeding brood of chicks nested in a church roof

adult animal beak beautiful bird birdhouse birds birdwatching blue bluetit box branch brood caeruleus care caterpillar chapel chickadee chicks church cyanistes family feather feed feeding fledgling food great grub juvenile nature nest nestbox nested nestling ornithology outstretched parent parus passerine responsibility roof season songbird spring tit titmice titmouse tree wildlife wing wings wood young