King Penguin vs Snowy Owl
Aptenodytes patagonicus compared with Bubo scandiacus
Side-by-Side Comparison
| Attribute | King Penguin | Snowy Owl |
|---|---|---|
| Scientific Name | Aptenodytes patagonicus | Bubo scandiacus |
| Order | Sphenisciformes | Strigiformes |
| Family | Spheniscidae | Strigidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | 95.0 cm (37.4 in) | 63.0 cm (24.8 in) |
| Wingspan | 64.0 cm (25.2 in) | 145.0 cm (57.1 in) |
| Weight | 14000.0 g (493.84 oz) | 2100.0 g (74.08 oz) |
| Diet | Primarily lanternfish and squid caught during deep dives. Routinely dives to 100-300 meters, sometimes exceeding … | Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … |
| Clutch Size | 1 | 3-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
King Penguin
Breeds on sub-Antarctic islands with flat or gently sloping beaches. Forages in the Southern Ocean.
Snowy Owl
Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.
Song & Call Comparison
King Penguin
Uses individually unique complex calls for mate and chick recognition in noisy colonies. Produces a loud, musical trumpeting. Chick whistles are distinctive per family unit.
Snowy Owl
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.
Geographic Range & Migration
King Penguin
Sub-Antarctic islands including South Georgia, Crozet, Kerguelen, Macquarie, and Falkland Islands.
Snowy Owl
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
Conservation Status
King Penguin
Snowy Owl
How to Tell Them Apart
King Penguin
Dark blue-grey back with white belly. Vivid orange-gold auricular patches on the sides of the head and upper breast. Silvery-grey upperparts.
Long, slender, slightly decurved bill with orange mandible plates
Snowy Owl
Adult males are almost entirely white. Females and immatures have dark brown barring and spotting. Yellow eyes and fully feathered feet.
Dark hooked bill mostly hidden by dense facial feathering
About These Birds
King Penguin
The king penguin is the second-largest penguin species, known for its striking orange-gold head markings. Unlike most penguins, king penguins do not build nests — they incubate their single egg on their feet. Their 14-16 month breeding cycle is the longest of any penguin species.
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.