Category Archives: Bird Behaviour & Abnormal Plumages

Autumn breeding by Black-bellied Sandgrouse and Laughing Dove in North Africa

Black-bellied Sandgrouse (Pterocles orientalis): A clutch of two eggs of the Black-bellied Sandgrouse (Ganga unibande) was photographed two days ago near Oued Massa, Tiznit region, southern Morocco by Mohamed Bargache. Available data up to early 2000s as summarized by Thévenot et al. (2003): egg-lying in Morocco is usually from end April to June, sometimes later… Read More »

Winter breeding by Cream-coloured Coursers is more common than previously reported

Until the end of the 20th century there were only limited numbers of autumn-winter breeding records of the Cream-coloured Courser (Cursorius cursor). With the exception of Cape Verde, all these mentions of winter breeding are outside the Western Palearctic (as defined in the BWP) and the Arabian Peninsula including Socotra Islands. In a recent paper… Read More »

Eleonora’s Falcons keep or imprison their prey alive

Eleonora’s Falcon (Falco eleonorae) is mainly insectivorous outside the breeding season. During the this season, which is very late (from July to October) as an adaptation to coincide with autumnal bird migration, both adults and chicks consume migrating birds (mainly passerines but also small non-passerines like Hoopoe and swifts) that fly through Mediterranean islands and… Read More »

Black-necked Grebe affected by progressive greying (not leucism)

A Black-necked Grebe (Podiceps nigricollis) affected by progressive greying photographed at Dayet Aoua in the Middle Atlas Mountains by Saad Rih. (It’s not a leucistc bird as stated before, see the comment in the update below). Un Grèbe à cou noir touché par le ‘grisonnement progressive’ photographié à Dayet Aoua dans les montagnes du Moyen Atlas… Read More »