Tag Archives: hybridisation

Is this a Ruddy Duck x White-headed Duck hybrid?

Abdelhak Elbanak photographed this stiff-tailed duck earlier this month at the lake of Sidi Boughaba which he originally identified as a Ruddy Duck (Oxyura jamaicensis). But upon looking at the photo more closely, I think it could be a Ruddy Duck x White-headed Duck hybrid. This bird has different characteristics that can be found in… Read More »

Gibraltar Buzzard: status and identification of a hybrid bird

Interesting news posted by Dick Forsman in his website following his short visit with Javier Elorriaga and Antonio-Roman Muñoz from Fundación Migrés to the Moroccan side of the Strait of Gibraltar this month. The aim of this visit was to study the controversial ‘Gibraltar buzzard’ which occurs in the areas around the Strait. Dick commented:… Read More »

Probable breeding of Western Reef Heron at Essaouira, Morocco

Probable hybridisation between Western Reef Heron and Little Egret at Essaouira islands on the Atlantic coast of Morocco. The long-staying dark morph Western Reef Heron (Egretta gularis) at Essaouira and Oued Ksob estuary (photo 1) has probably hybridised with a Little Egret (E. garzetta) at the Mogador archipelago. This probable case of hybridisation was observed… Read More »

Status of Kelp Gull in Morocco and the Western Palearctic

Cape Gull – the African subspecies of the widespread Kelp Gull – does not breed at Khnifiss Lagoon, Morocco, as reported earlier by Bergier et al. (2009). A thorough analysis by Olof Jönsson of the available photographs showed that the large, dark-backed gulls breeding at Khnifiss are, in fact, Great Black-backed Gulls. This is the… Read More »