John Gunning:
Crested Tern (Sterna bergii).
John Gunning:
Crested Tern (Sterna bergii).
John Gunning:
Crested Tern (Sterna bergii).
John Gunning:
Crested Tern (Sterna bergii).
John Gunning:
Crested Tern (Sterna bergii).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Sterna caspia).
John Gunning:
Caspian Tern (Black crown, bill orange with black tip).