Blue Rock Thrush

Monticola solitarius philippensis

Order

PASSERIFORMES

Family

Thrushes (Turdidae)

Code 4

Non-AOU

Code 6

MONSOL

ITIS

Egg Color:

Pale blue to turquoise, occasionally with pale red-brown freckling and mottling.



Number of Eggs:

3 - 6



Incubation Days:

12 - 15



Egg Incubator:

Female



Nest Location:

Nests are built in a rock or overhang, cliff, bank, cave or building.



Nest Material:

Grass, rootlets, moss and leaves



Migration:

Migratory



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General

Blue Rock Thrush: Small to medium, slate-blue thrush with chestnut belly and vent, and long wings with black-gray primaries. Rather long, sharp, black bill. Medium length tail. Sturdy gray-black legs and feet. This terrestrial thrush watches from a low perch for insects, small lizards, and other small creatures on the ground. When prey is sighted, the thrush drops to the ground to snatch prey from the surface and crevices between rocks. It also eats small fruits.

Breeding and Nesting

Blue Rock Thrush: Four to five blue-green eggs with small black spots are laid in a cup-shaped nest made of grass, plant stems, bark, moss, and rootlets. The nest is built in a crevice or under an overhanging ledge on a cliff, usually two to five meters above the ground. The female incubates the eggs for 14 to 16 days.

Foraging and Feeding

Blue Rock Thrush: Feeds on insects, small lizards, small frogs, and even small mice. This thrush will also eat small fruits. It forages for prey by watching from a low perch and then hopping down to the ground when a food item is seen. It runs over to the small animal and uses its bill to snatch it from the ground or from a crevice between rocks.

Vocalization

Blue Rock Thrush: Call is a simple, clear "seet", with alarm calls including a deep "tak-tak" or high-pitched "piiiii". Has a melodious, whistled song phrases with whistles, trills, and churrs, transcribed as "tju-sri tjurr-titi wichi-trr-trrt-tri."

Similar Species

Blue Rock Thrush: Eyebrowed Thrush has brown upperparts, and a white eyebrow and mustache. Scaly Thrush is larger, brown to golden overall, and has crisp scaling.

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BellyX
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
PrimariesX
The primaries are the flight feathers specialized for flight. They are attached to the "hand" equivalent part of the wing.
VentX
Birds do not have two separate cavities for excrement and reproduction like humans do. In birds, there is one single entrance/exit that suits both functions called the vent, cloaca or anus.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X