Frank.Vassen:
Western Dry Deciduous Forest, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Coquerel's Sifakas, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Coquerel's Sifaka, Ankarafantsika, Madagascar
Frank.Vassen:
Phelsuma sp., Ankarafantsika, Madagascar
Frank.Vassen:
Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Madagascar Fish Eagle, Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Nile Crocodile, Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Cattle Egret (Bubulculus ibis), Ankarafantsika National Park, Madagascar
Frank.Vassen:
Cattle Egret (Bubulculus ibis), Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Sqacco Heron, Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
White-faced Whistling Duck, Lake Ravelobe, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Malagasy Kingfisher, Ankarafantsika, Madagascar
Frank.Vassen:
A philosophical Coquerel's Sifaka, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Coquerel's Sifaka, Ankarafantsika, Madagascar
Frank.Vassen:
Milne-Edwards' Sportive Lemur, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Rhinoceros Chameleon (Furcifer rhinoceratus), Ankarafantsika National Park, Madagascar
Frank.Vassen:
Collared Iguana, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Gray Mouse Lemur, Ankarafantsika, Madagascar
Frank.Vassen:
Rhinoceros Chameleon, Ankarafantsika, Madagascar
Frank.Vassen:
Oustalet's Chameleon (Furcifer oustaleti), Ankarafantsika, Madagascar
Frank.Vassen:
Oustalet's Chameleon (Furcifer oustaleti), Ankarafantsika, Madagascar
Frank.Vassen:
Brookesia decaryi, Ankarafantsika National Park, Madagascar
Frank.Vassen:
Furcifer oustaleti (male), Lake Ravelobe, Madagascar
Frank.Vassen:
Furcifer oustaleti (male), Lake Ravelobe, Madagascar
Frank.Vassen:
Guenther's Leaf-tailed Gecko, Ankarafantsika, Madagascar
Frank.Vassen:
Guenther's Leaf-tailed Gecko, Ankarafantsika, Madagascar
Frank.Vassen:
Oustalet's Chameleon (Furcifer oustaleti), Ankarafantsika, Madagascar
Frank.Vassen:
Spearpoint Leaf-tailed Gecko, Ankarafantsika National Park, Madagascar