Janine Brauneis/ BIA / Northern Gannet (Morus bassanus) carrying feather during courtship display, Schleswig-Holstein, Germany

Janine Brauneis/ BIA / Northern Gannet (Morus bassanus) flying, Schleswig-Holstein, Germany

Janine Brauneis / Northern Gannet (Morus bassanus) flying, Germany

Janine Brauneis/ BIA / Northern Gannet (Morus bassanus) flying with rope for nesting, Schleswig-Holstein, Germany