Ruby-crowned Kinglet
Corthylio calendula
Kinglets (Regulidae) · Passeriformes (Passeriformes)
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Often mixed up with
In quizzes, players most often confuse Ruby-crowned Kinglet with these birds— either this species was picked by mistake, or the other way around.
| Species | Mix-ups |
|---|---|
| American Avocet Recurvirostra americana | 1 |
| Greater Sand Plover Anarhynchus leschenaultii | 1 |
| Grey-backed Tern Onychoprion lunatus | 1 |
| Forster's Tern Sterna forsteri | 1 |
| Brown Booby Sula leucogaster | 1 |
Family
The kinglets or crests are small birds in the family Regulidae. Species in this family were formerly classified with the Old World warblers. "Regulidae" is derived from the Latin word regulus, diminutive for "king", and refers to the coloured crowns of adult birds.
Order
A passerine () is any bird of the order Passeriformes (; from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of …