Ruby-crowned Kinglet
Regulus calendula 红冠戴菊
The Ruby‑crowned Kinglet is a tiny 4‑inch bird with olive‑green plumage, white wing bars, a white eye‑ring, and a hidden ruby‑red crown that appears when excited. It constantly flutters between branches, often hanging upside‑down to feed on insects, and is known for its loud, complex song.
- First spotted
- 1 Nov 2025
- Seen at 4 places
- Boston, MAJordan LakeLake CrabtreeSandy Creek Park
- Group
- Perching
Field marks
- Length
- 4 in · 10 cm
- Colours
- Black · Gray · Green · Red · White
- Wings
- Rounded
- Tail
- Notched · Short · Square-tipped
- In flight
- Direct Flight · Flitter · Rapid Wingbeats
- Movement
- Resident
- World population
- 100 million