North American field guide
Mountain Bluebird
Sialia currucoides
Identification
Field notes
18 cm (7") Fairly common in western North America. Open country, scattered trees, farmlands, roadsides; prefers higher elevations in summer. Casual east during migration or winter.
Male: beautiful sky blue upperparts, pale blue beneath with no rust like other bluebirds.
Female: brownish-gray above with blue on rump, wings and tail. Grayish-brown breast, not rusty like other bluebirds.
Often hovers above prey, usually insects, before pouncing on them. Also catches insects on the wing like flycatchers.
Song: soft warbling "tru-ly", "few" call.
Details in the field
Photo gallery
Watch and learn
Videos
Mountain Bluebird
Credit: Don DesJardinMountain Bluebird
Credit: Don DesJardinWhere it lives
Distribution maps
Source legend · original intervals
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Unshaded in source · does not imply absence
Generic and winter maps may use different intervals.
Bird Advisor Identification rules 2 variants · 6 rules
These are the observation paths the Bird Advisor can use to identify this species. Each rule is an alternative match.
Mountain Bluebird (Male)
3 rulesRule 1 13 criteria · confidence 4
- What was the sex of the bird ?
- Male · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- No · Unknown
- What colour were the WINGS ?
- Blue · Unknown
- What colour was the BACK ?
- Blue · Unknown
- What colour was the BELLY ?
- White, or pale (grayish-white) · Blue · Unknown
- What colour was the BREAST ?
- Blue · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area over, below, behind or around the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- What colour was the TOP of HEAD ?
- Blue · Unknown
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Warbler-like · Songbird (ground or perching bird)
- WHERE was the bird seen ?
- Southwestern United States · Northwestern Canada or United States
Rule 2 14 criteria · confidence 1
- What was the sex of the bird ?
- Male · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- No · Unknown
- What colour were the WINGS ?
- Blue · Unknown
- What colour was the BACK ?
- Blue · Unknown
- What colour was the BELLY ?
- White, or pale (grayish-white) · Blue · Unknown
- What colour was the BREAST ?
- Blue · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area over, below, behind or around the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- What colour was the TOP of HEAD ?
- Blue · Unknown
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Warbler-like · Songbird (ground or perching bird)
- WHEN was the bird seen ?
- Spring · Fall · Winter
- WHERE was the bird seen ?
- Northeastern Canada or United States · Southeastern United States
Rule 3 7 criteria · confidence 3
- What was the sex of the bird ?
- Male · Unknown
- Was the bird seen best or only on the ground ?
- No
- What TAIL BEHAVIOURS if any were noted ?
- Pointing downward
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Identify from a Unique Behaviour
- What type of environment was the bird seen in?
- Open area: field, prairie, meadow, farmland, tundra · Thickets or shrubs · Deciduous forest · Coniferous forest · Mixed forest · Wooded freshwater habitat · Freshwater marsh or wetland
- WHERE was the bird seen ?
- Southwestern United States · Northwestern Canada or United States
Mountain Bluebird (Female)
3 rulesRule 1 19 criteria · confidence 4
- What was the sex of the bird ?
- Female · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- No · Unknown
- What colour were the WINGS ?
- Blue · Gray, or blue-gray · Black, purple, or dark · Unknown
- What SHAPE was the TAIL ?
- Square or slightly notched at the end · Unknown
- What colour TAIL PATTERN was there if any ?
- None · Unknown
- What colour was the TAIL ?
- Blue · Gray, or blue-gray · Black, purple, or dark · Unknown
- What colour was the BACK ?
- Blue · Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Black, purple, or dark · Unknown
- What colour was the BELLY ?
- White, or pale (grayish-white) · Unknown
- What colour PATTERN if any was shown on the BREAST ?
- Uniform color · Streaked lengthwise (from head to tail) · Spotted or mottled · Barred crosswise (from side to side) · Has a central spot · Unknown
- What colour was the BREAST ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What colour was the THROAT ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- Was the HEAD striped ?
- No · Unknown
- What colour was the TOP of HEAD ?
- Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Unknown
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Songbird (ground or perching bird)
- WHERE was the bird seen ?
- Southwestern United States · Northwestern Canada or United States
Rule 2 20 criteria · confidence 1
- What was the sex of the bird ?
- Female · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- No · Unknown
- What colour were the WINGS ?
- Blue · Gray, or blue-gray · Black, purple, or dark · Unknown
- What SHAPE was the TAIL ?
- Square or slightly notched at the end · Unknown
- What colour TAIL PATTERN was there if any ?
- None · Unknown
- What colour was the TAIL ?
- Blue · Gray, or blue-gray · Black, purple, or dark · Unknown
- What colour was the BACK ?
- Blue · Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Black, purple, or dark · Unknown
- What colour was the BELLY ?
- White, or pale (grayish-white) · Unknown
- What colour PATTERN if any was shown on the BREAST ?
- Uniform color · Streaked lengthwise (from head to tail) · Spotted or mottled · Barred crosswise (from side to side) · Has a central spot · Unknown
- What colour was the BREAST ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What colour was the THROAT ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- Was the HEAD striped ?
- No · Unknown
- What colour was the TOP of HEAD ?
- Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Unknown
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Songbird (ground or perching bird)
- WHEN was the bird seen ?
- Spring · Fall · Winter
- WHERE was the bird seen ?
- Northeastern Canada or United States · Southeastern United States
Rule 3 7 criteria · confidence 3
- What was the sex of the bird ?
- Female · Unknown
- Was the bird seen best or only on the ground ?
- No
- What TAIL BEHAVIOURS if any were noted ?
- Pointing downward
- How BIG was the bird ?
- Sparrow-sized · Robin-sized
- What TYPE of bird was seen ?
- Identify from a Unique Behaviour
- What type of environment was the bird seen in?
- Open area: field, prairie, meadow, farmland, tundra · Thickets or shrubs · Deciduous forest · Coniferous forest · Mixed forest · Wooded freshwater habitat · Freshwater marsh or wetland
- WHERE was the bird seen ?
- Southwestern United States · Northwestern Canada or United States