Great Horned Owl

Fascinating facts about the Great Horned Owl

• Silent flight isn't magic, it's engineering. The great horned owl's wing feathers have three tricks: serrated leading edges break turbulence, soft downy feathers deaden noise, and a fringe on the trailing edge cuts remaining sound. This design lets the owl glide as slow as 2 miles per hour, unheard despite its size, and its wing loading is the highest among raptors, meaning the wings are tiny for the bird's weight. Such stealth lets it swoop on prey in total darkness.
• Size matters when you're a top predator. Adults measure 43-64 cm long with a 91-153 cm wingspan, averaging 55 cm and 122 cm respectively. Females tip the scales at 1,608 g, males at 1,224 g, and the biggest individuals can weigh 2,503 g. Their talons crush with at least 300 psi (2,100 kPa), far beyond a human hand's grip, allowing them to subdue prey as large as rabbits or even skunks.
• From Arctic tundra to Amazon lowlands, the great horned owl spans 68° N to 54° S, covering the entire North American continent and deep into South America. It thrives from sea level up to 3,352.8 m, nesting in woodlands, deserts, swamps, mangroves, farms and even city parks. This adaptability makes it one of the most widespread raptors, able to hunt rodents in a desert one day and fish in a coastal marsh the next.
• The great horned owl beats the spring rush, its eggs appear weeks or months before most raptors. Breeding runs from November to April, and a pair can lay 1-6 eggs that hatch in 30-37 days. Chicks leave the nest after 6-9 weeks and become independent by 5-10 weeks.
• Their ears are built like a sonar array. Asymmetrical ear openings, one 2.3 cm tall, the other slightly larger, let the owl triangulate sounds, even under snow. This, plus a facial disc that funnels noise, gives hearing up to ten times better than a human's, letting the owl pinpoint hidden prey in total darkness.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia
• Animal Diversity Web

At a glance

About the Great Horned Owl

As the moon casts its silver glow over the forest, the Great Horned Owl emerges, a phantom of the night, its piercing gaze scanning the shadows for the slightest hint of movement. With wings as silent as a summer breeze, it swoops through the darkness, its feathers a masterful blend of mottled browns and grays that render it all but invisible, a true ghost of the wild. Its haunting hooting call echoes through the trees, a low, sonorous whisper that seems to come from all directions at once, a reminder of the owl's presence, a monarch of the nocturnal realm.

Great Horned Owl photographed on Feravox

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