Puna Miner vs Thick-billed Miner

In short

The Puna Miner and Thick-billed Miner are similar ground-dwelling birds found in South America, but they can be distinguished by their bill size and plumage details. The Thick-billed Miner has a notably heavier bill, while the Puna Miner shows more prominent reddish patches at the bases of its flight feathers when flushed.

Identification tips

• Look for the heavier bill of the Thick-billed Miner.
• Observe the reddish patches at the bases of the flight feathers in the Puna Miner when it takes flight.
• Both species are ground-dwelling; note any display flight behavior, which is more common in the Puna Miner.

Size

Both species are similar in size, but the Thick-billed Miner has a slightly bulkier appearance due to its heavier bill.

Plumage

The Puna Miner displays reddish patches at the bases of its flight feathers, which are more visible during flight. The Thick-billed Miner lacks these prominent reddish patches.

Behaviour

Both species are ground-dwelling and often seen when flushed from the ground. The Puna Miner is more likely to be observed during its flight display.

Habitat

Both species inhabit arid, open areas, but specific habitat preferences may vary slightly and are not well-documented in the provided notes.

Voice

Vocalizations are not well-documented in the notes, but both species are known to sing, especially during display flights.