Red-rumped swallow / Rötelschwalbe (Cecropis daurica)

Wikipedia: Red-rumped swallow Source: OTHER Red-rumped_Swallow_%28Cecropis_daurica%29_Photograph_by_Shantanu_Kuveskar.jpg
Classification: Genus Cecropis; Family Swallows (Hirundinidae)
General: The red-rumped swallow (Cecropis daurica) is a small passerine bird in the swallow family. It breeds in open hilly country of temperate southern Europe and Asia from Portugal and Spain to Japan, India, Sri Lanka and tropical Africa. The Indian and African birds are resident, but European and other Asian birds are migratory. They winter in Africa or India and are vagrants to Christmas Island and northern Australia. [more]
Vocalization: Less vocal than Barn Swallow. [Link]
Song: Song slower, and less energetic. Each phrase starts with a few staccato notes, leading to a short, twittering sequence of a few seconds length, with some drawn notes. Timbre is metallic and "broken", and quite diagnostic. [Link]
Physical details: length=16-17 cm, wingspan=32-34 cm, weight=19-28 g

🔍 No documented observation