Halvard Aas Midtun:
Gulosus aristotelis aristotelis (European Shag)
Halvard Aas Midtun:
Microcarbo africanus africanus (Long-tailed Cormorant)
Halvard Aas Midtun:
Microcarbo africanus africanus (Long-tailed Cormorant)
Halvard Aas Midtun:
Microcarbo africanus africanus (Long-tailed Cormorant)
Halvard Aas Midtun:
Phalacrocorax carbo sinensis (Great Cormorant)