Andean Pygmy-owl vs Snowy Owl
Glaucidium jardinii เปรียบเทียบกับ Bubo scandiacus
Side-by-Side Comparison
| คุณสมบัติ | Andean Pygmy-owl | Snowy Owl |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Glaucidium jardinii | Bubo scandiacus |
| อันดับ | Strigiformes | Strigiformes |
| วงศ์ตระกูล | Strigidae | Strigidae |
| สถานะการอนุรักษ์ | Least Concern | Vulnerable |
| ความยาว | — | 63.0 cm (24.8 in) |
| กว้างปีก | 19.9 cm (7.8 in) | 145.0 cm (57.1 in) |
| น้ำหนัก | 65.83333333333333 g (2.32 oz) | 2100.0 g (74.08 oz) |
| อาหาร | -- | Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … |
| จำนวนไข่ | 3 | 3-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Andean Pygmy-owl only
Snowy Owl only
Snowy Owl
Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.
Song & Call Comparison
Andean Pygmy-owl
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
Andean Pygmy-owl
Snowy Owl
Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.
สถานะการอนุรักษ์
Andean Pygmy-owl
Snowy Owl
How to Tell Them Apart
Andean Pygmy-owl
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
Andean Pygmy-owl
The Andean Pygmy-owl is a tiny nocturnal hunter with a 19.9 cm wingspan, weighing around 66 grams. It inhabits montane forests and forest edges along the Andes. Despite its small size, it preys on small birds, mammals, and insects, often hunting during daylight hours.
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.