- Riparia paludicola
Identification
Small hirundine with character and behaviour of Sand Martin Riparia riparia, but rather more compact form. Both upperparts and underparts duller than Sand Martin, contrasting less and no chest-band. Sexes similar, no seasonal variation.
Distribution
Large distribution in tropical Africa and south-east Asia
Taxonomy
One subspecies is endemic to north-west Morocco (Riparia paludicola mauritanica).
Habitat
Behaviour
Breed in winter (November-december). Nest in excavated tunnel in river or gorge bank.2-6 white eggs. Male and female incubate both during 12 days. In Morocco this swallow extends his range espcially when water is abudant.