Mandatory Credit: Photo by Slavek Ruta/Shutterstock (12929407h) One month old young Eurasian Eagle Owl calling, sitting on ground at Liberec Zoo in the Czech Republic. The young Eurasian Eagle Owl (Bubo bubo) successfully hatched at the end of March 2022, along with one others. The Eurasian eagle-owl is largely nocturnal in activity, as are most owl species, with its activity focused in the first few hours after sunset and the last few hours before sunrise. Baby Bubo Owl at Liberec Zoo, Liberec, Czech Republic - 07 May 2022