The male Blue Rock Thrush is unmistakable, with all blue-grey plumage apart from its darker wings.
Females and immatures are much less striking, with dark brown upperparts, and paler brown scaly underparts.

1st photo: A male. Montanchez Castle, Montanchez, Cáceres, Extremadura, Spain, 9 June 2024
2nd photo: A male. Monfragüe Castle, Monfragüe National Park, Extremadura, Spain, 4 May 2012