Animal Information

The Eurasian Eagle-Owl: A Majestic Raptor with a Scruffy Adolescence

The Eurasian eagle-owl (Bubo bubo) ranks among the world’s largest owls, with a wingspan reaching 1.8 meters. Widespread across Eurasia, this apex predator inhabits forests and mountainous terrain, known for its deep, booming "hoo-hoo" calls and fierce territorial behavior. Classified as a national second-class protected animal in China, it commands respect as both a biological marvel and a cultural symbol.

June 30, 2025, 2:59 pm EDT· 1 minute read

As they mature, these owls shed their scruffy exterior, developing sleek, mottled feathers that enable silent flight. Adult eagle-owls boast a regal presence, with golden eyes, prominent ear tufts, and a powerful build capable of hunting foxes and small deer. "It’s a dramatic transformation," says wildlife photographer Marcus Chen. "From a fuzzy, awkward ball of feathers to a towering raptor—nature’s way of reminding us that beauty often emerges from chaos." For birdwatchers, spotting a juvenile eagle-owl is a rare treat, offering a glimpse into the vulnerable early life of one of the avian world’s most imposing hunters.