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Overview
Coastal miner

Coastal miner

Wikipedia

The coastal miner is a species of bird in the subfamily Sclerurinae, the leaftossers and miners, of the ovenbird family Furnariidae. It is endemic to Peru.

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Distribution

Region

Peruvian coastal desert

Typical Environment

Occurs along Peru’s arid Pacific slope, favoring sandy dunes, barren coastal flats, sparsely vegetated desert scrub, and seasonal lomas hills. It also uses river mouths, edges of saline flats, and disturbed open ground where invertebrates are exposed. The species is highly terrestrial, ranging across open terrain and low hummocks. Local movements track moisture and invertebrate availability, especially during the lomas green-up season.

Altitude Range

Sea level to 1000 m

Climate Zone

Arid

Characteristics

Size12–14 cm
Wing Span20–25 cm
Male Weight0.017 kg
Female Weight0.016 kg
Life Expectancy5 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

This small ground-dwelling ovenbird is superbly camouflaged to match Peru’s pale coastal deserts. True to its name, it excavates nest burrows in sandy or earthen banks, a hallmark of the miners. It often exploits fog-fed lomas hills that briefly bloom each year, shifting locally with seasonal resources. Protecting lomas sites like Lomas de Lachay is important for its long-term persistence.

Gallery

Bird photo
Bird photo
Bird photo
Coastal Miner in Peru

Coastal Miner in Peru

Bird photo

Behaviour

Temperament

wary and terrestrial

Flight Pattern

short rapid wingbeats; low, direct flights close to the ground

Social Behavior

Typically seen singly or in pairs, often maintaining small territories across open ground. Both sexes excavate a burrow nest in sandy or earthen banks, ending in a chamber lined with fine materials. Clutches are small, and adults are attentive, remaining close to the ground and using stealth to avoid predators.

Migratory Pattern

Resident

Song Description

Song is a thin, rapid series of trills and high notes delivered from the ground or a low perch. Calls are soft, high tsip notes used in contact and alarm. Vocalizations can be subdued, easily lost in windy coastal conditions.

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