Ruby-crowned Kinglet
Corthylio calendula
Winter only — roughly November through March✨ Shiny — winter rarity
The take
A nervous green fluffball that never stops flicking its wings; the ruby crown is a rare bonus.
How to ID it
- Tiny olive-green bird with a bold white eyering and white wingbar over a black bar
- Male's red crown patch is usually concealed
- Flicks its wings almost constantly while moving restlessly through foliage
Field marks at a glance
- Size
- tiny
- Head
- plain olive with hidden ruby crown
- Call
- husky ji-dit
Where & when
Winter only — roughly November through March
Learn more
Sources
- Facts — ebird.org, verified August 2026
- Reference — allaboutbirds.org