Is Decidueye a real animal?

No. Decidueye is a fictional Pokémon. Its closest real counterpart is the Great Gray Owl (Strix nebulosa), which AnimalDex covers with real field-guide facts.

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#0724 · Generation VII

What Animal Is Decidueye Based On?

Decidueye most closely resembles the Great Gray Owl.

Closest animal

Great Gray Owl

Confidence

Reasonable animal match

How Decidueye compares to the real Great Gray Owl

Decidueye's official category is the Arrow Quill Pokémon. AnimalDex rates its resemblance to the Great Gray Owl as a reasonable match, meaning the animal is clear but the design mixes in other traits. Decidueye is an archer owl with a hooded cloak of feathers; the great grey owl's large face and cloak-like plumage make it the closest match.

The comparison covers looks and behavior cues, not biology: Decidueye is a fictional Pokémon, while the Great Gray Owl (Strix nebulosa) is a real bird of prey. On AnimalDex the real Great Gray Owl scores 50 for dominance, 58 for speed, 31 for size and 47 for intelligence, out of 100, so its strongest trait is speed.

Official category: Arrow Quill Pokemon. This page is an AnimalDex comparison for real-animal resemblance, not an official design-origin claim.

Meet the real Great Gray Owl

Strix nebulosa

Great Gray Owl teaches Deep Listening through a huge-faced hunter hearing life hidden under snow. Facial disc, silent wings, patient perch, plunge strike, and boreal winter make the strongest action begin with invisible information.

How to recognize it

Large facial disc funnels sound toward the ears for precise listening.
Silent flight lets it approach without warning prey.
Can locate and plunge onto prey hidden beneath snow.

Diet: Voles, mice, shrews, pocket gophers, and other small mammals.
Lifespan: Ringed wild birds have lived well over a decade, though most die much younger. Captive owls have lived considerably longer.
Predators and threats: Great horned owls, goshawks, martens, ravens, foxes, starvation, and habitat loss can threaten owls, eggs, or chicks. Listening helps hunting, but nesting still needs shelter.

AnimalDex stats for the Great Gray Owl, out of 100
Dominance	Speed	Size	Intelligence
50/100	58/100	31/100	47/100

Great Gray Owl field guide What the Great Gray Owl teaches

Decidueye animal FAQ

What animal is Decidueye based on?: Decidueye most closely resembles the Great Gray Owl. Decidueye is an archer owl with a hooded cloak of feathers; the great grey owl's large face and cloak-like plumage make it the closest match.
Is Decidueye a real animal?: No. Decidueye is a fictional Pokémon. Its closest real counterpart is the Great Gray Owl (Strix nebulosa), which AnimalDex covers with real field-guide facts.
What is the real Great Gray Owl like?: Great Gray Owl teaches Deep Listening through a huge-faced hunter hearing life hidden under snow. Facial disc, silent wings, patient perch, plunge strike, and boreal winter make the strongest action begin with invisible information.