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.

 

Watch and learn

Videos

2 videos

Where 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 rules
Rule 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
result:706-mountain-bluebird-male:1:1 Source: 706 Mountain Bluebird (Male), row 1
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
result:706-mountain-bluebird-male:2:1 Source: 706 Mountain Bluebird (Male), row 2
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
result:706-mountain-bluebird-male:3:1 Source: 706 Mountain Bluebird (Male), row 3

Mountain Bluebird (Female)

3 rules
Rule 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
result:707-mountain-bluebird-female:1:1 Source: 707 Mountain Bluebird (Female), row 1
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
result:707-mountain-bluebird-female:2:1 Source: 707 Mountain Bluebird (Female), row 2
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
result:707-mountain-bluebird-female:3:1 Source: 707 Mountain Bluebird (Female), row 3