the boreal owl or tengmalm's owl (aegolius funereus) watching from a hollow in a beech tree

wildlife tree nature branch animal leaf bird trunk green plant wood flower forest insect beak autumn rock rare little gray owl boreal tengmalm's aegolius funereus watching hollow beech czech republic sitting aegolius funereus animal autumn background beak beautiful bird prey birdwatching boreal owl branch brown colorful czech environment europe european eye eyes face fall feather forest green hunter look morning natural nature night nocturnal orange ornithology outdoor perched perching predator raptor sitting sunrise tree wild wilderness wildlife yellow