Mountain Bluebirds are fairly small thrushes with round heads and straight, thin bills. Compared with other bluebirds they are lanky and long-winged, with a long tail.
Relative Size
Slightly larger than a Cassin’s Finch, considerably smaller than an American Robin.
![Relative Size](/guide/images/size/scale.png)
![between sparrow and robin](/guide/images/size/btwn-sparrow-robin.png)
Measurements- Both Sexes
- Length: 6.3-7.9 in (16-20 cm)
- Weight: 1.1 oz (30 g)
- Wingspan: 11.0-14.2 in (28-36 cm)
- Length: 6.3-7.9 in (16-20 cm)
- Weight: 1.1 oz (30 g)
- Wingspan: 11.0-14.2 in (28-36 cm)