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Henry Sowell

Vol. I · Est. 2026

Pl. XLI
Field-journal plate: Ruby-crowned Kinglet
The Ruby-crowned Kinglet plate as rendered on the e-ink frame
As rendered on the frame

The Birds · Plate XLI

Ruby-crowned Kinglet

Corthylio calendula

Regulidae · Taxon 1289388

Length3.5–4.3 in (9–11 cm)
Wingspan6.3–7.1 in (16–18 cm)
Weight0.2–0.3 oz (5–10 g)

Field marks

  1. Tiny, compact songbird with a relatively large head and very short tail
  2. Olive-green to gray-green upperparts with pale underparts
  3. Bold white eye-ring on an otherwise plain face
  4. White wing bar set against a darker, blackish wing bar
  5. Very small, thin, straight dark bill
  6. Male may show a bright ruby-red crown patch when excited; it is usually concealed

HabitatTall, dense conifer forest for breeding; also uses mixed or deciduous woodland, shrubs, thickets, and other tree-and-brush cover outside the breeding season.

BehaviorRestless foliage gleaner; moves quickly through branches and shrubs, frequently flicking its wings and sometimes hovering to take small prey.

Palette

olive greengray-greenwhiteblackishruby red