Black-throated Blue Warbler
Setophaga caerulescens
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The Black-throated Blue Warbler is a small songbird with a dark blue back, black throat and sides, and a white belly. It has a rounded wing shape, a notched or square-tipped tail, and measures about 6 inches in size.
Field marks
- Length
- 6 in · 15 cm
- Colours
- Black · Blue · Brown · Tan · White
- Wings
- Rounded
- Tail
- Notched · Square-tipped
- In flight
- Direct Flight · Flitter
- Movement
- Migratory
- World population
- 2.4 million