Blue Rock-thrush

Least Concern

Monticola solitarius

This striking songbird with its rich blue plumage can be found perched on top of rocky outcrops from Europe to Asia, living up to its name as a true rock-dweller.

Visual Identification

Appearance

The Blue Rock-thrush is a small thrush with a distinctive appearance. Males boast a striking, deep blue plumage covering most of their body, with slightly darker wings and tails. Their slender black bill and legs contrast sharply with their vibrant feathers.

Females and juveniles differ significantly from males, with a mottled brown plumage with subtle barring. This dimorphism aids in camouflage during nesting.

Size

Length

21cm to 23cm

Wingspan

33cm to 37cm

Weight

40g to 70g

Colours

Primary Colour

Blue

Secondary Colour

Grey Black

Beak Colour

Black

Leg Colour

Black

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

Blue Rock-thrushes inhabit a wide range of rocky environments, from coastal cliffs and rocky hillsides to mountains and urban areas with old buildings or ruins. They are found across southern Europe, North Africa, and parts of Asia, extending east to Japan and the Philippines.

In winter, some populations migrate to warmer regions, including North Africa and the Middle East. They are occasional vagrants in the UK, particularly in autumn and winter.

Elevation Range

Sea level to 3,600 meters

Climate zones

Mediterranean, Subtropical, Temperate

Distribution Map

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Resident
Breeding
Non-breeding
Passage
Vagrant

Distribution by Region

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 75
Strength 40
Adaptability 85
Aggressiveness 30
Endurance 65

Diet

The Blue Rock-thrush's diet primarily consists of insects, spiders, and small invertebrates. They also consume berries and small fruits, especially during autumn and winter.

These ground-feeding birds often hunt by pouncing on prey from elevated perches, showcasing their agility and keen eyesight. Depending upon location, they may also also take lizards, mice and snakes.

Behaviour

Blue Rock-thrushes are known for their solitary nature and preference for high perches. They often stand upright on rocks or buildings, scanning for prey.

During courtship, males perform impressive aerial displays, singing while flying upwards before gliding back down to their perch.

Vocalisation

The Blue Rock-thrush's song is a sweet, melodious warble, often described as flute-like and reminiscent of other thrush species. Males sing from prominent perches, especially at dawn and dusk, with a series of clear, whistling notes that sound like 'tew-tew-tew' followed by warbling phrases.

Nesting & Breeding

Breeding season for Blue Rock-thrushes typically begins in April and extends through July. Males establish territories and attract females with their melodious songs and aerial displays.

Nests are built in rock crevices, holes in buildings, or among ruins, usually by the female. They are cup-shaped structures made of grass, moss, and roots. Females lay 3-5 pale blue eggs with reddish-brown spots.

Incubation lasts about 14-15 days, and the female primarily carries out the process. Both parents feed the nestlings, which fledge after approximately 15-18 days. Pairs often raise two broods per season in favourable conditions.

Lifespan

Typical Lifespan Range 5 - 10 years
0
3
6
9
12

years

The Blue Rock-thrush typically lives for 5 to 10 years.

Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.

Conservation and Status

Global Conservation Status

Least Concern [1]

While the Blue Rock-thrush is listed as Least Concern by the IUCN, it faces localised threats from habitat loss due to coastal development and climate change.

Conservation efforts focus on preserving rocky habitats and monitoring population trends across its range.

Population Data

Global Population Estimate

1,000,000 - 3,999,999 mature individuals [2]

Global Population Trend

Stable[3]

Birdwatching Tips

  • Look for them perched prominently on rocks, buildings, or ruins
  • Listen for their melodious song, especially at dawn and dusk
  • Scan coastal cliffs and rocky hillsides in Mediterranean regions
  • Be patient, as they can be shy and quick to fly off when approached

Additional Information

Quick Facts

Other names:

Blue Rock Thrush, Blue Thrush

Family:

Muscicapidae

Predators

Main predators include birds of prey such as falcons and hawks, as well as snakes and small mammals that may raid nests for eggs or chicks.

Did You Know?

  1. Blue Rock-thrushes can survive in urban environments, often nesting on buildings that resemble their natural rocky habitats.
  2. They are known to incorporate human-made objects, such as plastic or metal pieces, into their nests.
  3. In some cultures, the Blue Rock-thrush is considered a symbol of fidelity due to its tendency to form long-term pair bonds.

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References

  1. 1 2 3

    website: BirdLife International. 2016. Monticola solitarius. The IUCN Red List of Threatened Species 2016: e.T22708286A87933903.

    View source