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Side-by-Side Comparison

Atributo	Peruvian Pygmy-owl	Snowy Owl
Nombre científico	Glaucidium peruanum	Bubo scandiacus
Orden	Strigiformes	Strigiformes
Familia	Strigidae	Strigidae
Estado de conservación	Least Concern	Vulnerable
Longitud	—	63,0 cm (24.8 in)
Envergadura	18,8 cm (7.4 in)	145,0 cm (57.1 in)
Peso	61,5 g (2.17 oz)	2100,0 g (74.08 oz)
Dieta	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
Tamaño de la puesta	--	3-14
Population Trend	—	—

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Size Comparison

Body Length

Peruvian Pygmy-owl —

Snowy Owl 63,0 cm

Envergadura

Peruvian Pygmy-owl 18,8 cm

Snowy Owl 145,0 cm

Peso

Peruvian Pygmy-owl 61,5 g

Snowy Owl 2100,0 g

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Habitat Comparison

Hábitats compartidos

Ninguno

Peruvian Pygmy-owl only

🌲 Forest

Snowy Owl only

🌿 Wetland 🌾 Grassland 🏖️ Coastal

Snowy Owl

Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.

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Song & Call Comparison

Peruvian Pygmy-owl

Snowy Owl

Canto

Male gives a deep booming hoot 'hooooo' and a rising 'hoo-hoo' series. Also barks sharply when alarmed. Quieter than many owls; silent during long Arctic winter hunts.

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Geographic Range & Migration

Peruvian Pygmy-owl

Snowy Owl

Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.

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Estado de conservación

Least Concern

Peruvian Pygmy-owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Peruvian Pygmy-owl

Snowy Owl

Plumaje

Adult males are almost entirely white. Females and immatures have dark brown barring and spotting. Yellow eyes and fully feathered feet.

Pico

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Peruvian Pygmy-owl

Snowy Owl

The snowy owl is the heaviest North American owl and one of the most charismatic Arctic birds. Unlike most owls, it is largely diurnal, necessitated by the continuous daylight of Arctic summers. Snowy owl irruptions — periodic mass southward movements — are tied to lemming population cycles.

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Related Comparisons

Great Horned Owl vs Snowy Owl

same-family

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