Eurasian Crag Martin vs Streak-throated Swallow

In short

The Eurasian Crag Martin and Streak-throated Swallow can be distinguished by their tail patterns and underpart streaking. Crag Martins have a more uniform brown appearance with pale underwing coverts, while Streak-throated Swallows show distinct streaking on the throat and breast.

Identification tips

1. Look for the tail pattern: Crag Martins have square tails with white spots, while Streak-throated Swallows have forked tails without spots. 2. Check the underpart streaking: Streak-throated Swallows have distinct streaks on the throat and breast, unlike the more uniform Crag Martin. 3. Observe the habitat: Crag Martins are more likely near cliffs, whereas Streak-throated Swallows are found near water bodies. 4. Note the flight style: Crag Martins glide along cliffs, while Streak-throated Swallows fly over open water.

Size

Both species are similar in size, typical of small swallows, but the Crag Martin may appear slightly bulkier.

Plumage

Eurasian Crag Martins are uniformly brown with pale underwing coverts and a square tail with white spots visible in flight. Streak-throated Swallows have a more contrasting appearance with streaked throats and breasts, and a forked tail without white spots.

Behaviour

Both species exhibit typical swallow flight patterns, but Crag Martins are often seen gliding along cliffs, while Streak-throated Swallows are more likely to be seen in open areas near water.

Habitat

Eurasian Crag Martins are typically found in mountainous and rocky areas, often near cliffs. Streak-throated Swallows prefer open country near water bodies, such as rivers and lakes.

Voice

Both species have similar swallow-like calls, but specific differences in vocalizations are not well-documented.