Tunisia surveys its migratory birds - in pictures

  • Adult and juvenile greater flamingos feed in Tunisian waters over the winter before undertaking their migration to parts of the northern Mediterranean in the spring. Photo: Hichem Azafzaf
    Adult and juvenile greater flamingos feed in Tunisian waters over the winter before undertaking their migration to parts of the northern Mediterranean in the spring. Photo: Hichem Azafzaf
  • The survey has produced one of the most complete pictures of global ecological change in recent decades. Photo: Hichem Azafzaf
    The survey has produced one of the most complete pictures of global ecological change in recent decades. Photo: Hichem Azafzaf
  • More than 100 species of birds winter on the southern shores of the Mediterranean Sea. Tunisia’s salt marshes are particularly fertile feeding grounds for wading birds. Photo: Hichem Azafzaf
    More than 100 species of birds winter on the southern shores of the Mediterranean Sea. Tunisia’s salt marshes are particularly fertile feeding grounds for wading birds. Photo: Hichem Azafzaf
  • About 380,000 waterfowl visit Tunisia every winter to feast on brine shrimp, insects, fish and other small organisms in the muddy marshes all along the country's coast. Photo: Hichem Azafzaf
    About 380,000 waterfowl visit Tunisia every winter to feast on brine shrimp, insects, fish and other small organisms in the muddy marshes all along the country's coast. Photo: Hichem Azafzaf
  • A marsh harrier searches for prey in the tall grass of one of Tunisia’s 'sebkhas', or salt lakes, as a group of flamingos forages on the muddy bottom. Photo: Hichem Azafzaf
    A marsh harrier searches for prey in the tall grass of one of Tunisia’s 'sebkhas', or salt lakes, as a group of flamingos forages on the muddy bottom. Photo: Hichem Azafzaf
  • Census-takers track more than a hundred species of birds that winter in the wetlands of Tunisia. The National / Erin Clare Brown
    Census-takers track more than a hundred species of birds that winter in the wetlands of Tunisia. The National / Erin Clare Brown
  • A flamingo flies over the Sijoumi mudflat on the southern outskirts of Tunisia's capital Tunis. AFP
    A flamingo flies over the Sijoumi mudflat on the southern outskirts of Tunisia's capital Tunis. AFP
  • Pink flamingos take off from a lake in Gammarth on the outskirts of Tunis. AFP
    Pink flamingos take off from a lake in Gammarth on the outskirts of Tunis. AFP
  • Pink flamingos feed in a lake in Gammarth. AFP
    Pink flamingos feed in a lake in Gammarth. AFP