Black Redstart vs Blue Rock Thrush

In short

The Black Redstart and Blue Rock Thrush can be distinguished by their size and plumage. The Black Redstart is smaller with a distinctive red tail, while the Blue Rock Thrush is larger and has a more uniform blue-grey plumage in males. Both species inhabit rocky areas but differ in vocalizations and behavior.

Identification tips

1. Look for the red tail of the Black Redstart, especially in flight. 2. Note the larger size and blue-grey plumage of male Blue Rock Thrushes. 3. Observe behavior: Black Redstarts flick their tails frequently. 4. Listen for vocalizations: Black Redstarts have a scratchy song, while Blue Rock Thrushes have a more melodious tune. 5. Consider habitat: Black Redstarts are often in urban areas, while Blue Rock Thrushes prefer remote rocky areas.

Size

The Blue Rock Thrush is larger than the Black Redstart, giving it a more robust appearance.

Plumage

Male Black Redstarts have a striking black face and chest with a contrasting red tail, while female and juvenile birds are more subdued grey-brown with a red tail. Male Blue Rock Thrushes are blue-grey overall, with females being more brownish-grey, lacking the red tail of the Black Redstart.

Behaviour

Black Redstarts often flick their tails and are more active foragers, while Blue Rock Thrushes are more likely to be seen perched prominently on rocks or buildings.

Habitat

Both species favor rocky habitats, but Black Redstarts are more commonly found in urban areas and open spaces, whereas Blue Rock Thrushes prefer more remote rocky cliffs and mountainous regions.

Voice

The Black Redstart has a distinctive, scratchy song and a ticking call, while the Blue Rock Thrush's song is more melodious and flute-like.