RE Houseman:
Eurasian Hoopoe
RE Houseman:
European Goldfinch
RE Houseman:
Chukar
RE Houseman:
White Wagtail (Motacilla alba)
RE Houseman:
Pergamon Amphitheater
RE Houseman:
Asclepion, Turkey
RE Houseman:
Asclepion Ruins
RE Houseman:
Pergamon
RE Houseman:
European nuthatch at Pergamon
RE Houseman:
European Nuthatch
RE Houseman:
The Grotto in Malta
RE Houseman:
Eurasian Nuthatch