Frank.Vassen: Pitta-like Groundroller (Atelornis pittoides), Ranomafana National Park, Madagascar
Frank.Vassen: Grünschwarze Blattwespe (Tenthredo mesomela), Lichtenbach bei Rocherath, Ostbelgien
Frank.Vassen: Pic noir ♂ (Dryocopus martius), Parc de Woluwe, Brussels
Frank.Vassen: Gemeiner Scheckenfalter (Melitaea cinxia), Donauauen bei Zwentendorf, Niederösterreich
Frank.Vassen: Madagascar Pygmy Kingfisher (Corythornis madagascariensis), Mantadia National Park, Madagascar
Frank.Vassen: Madagascar Pygmy Kingfisher (Corythornis madagascariensis), Mantadia National Park, Madagascar
Frank.Vassen: Aye-aye (Daubentonia madagascariensis), Tsimbazaza Zoo, Madagascar
Frank.Vassen: Mandarin duck (Aix galericulata) swimming on liquid gold, Parc du Rouge-Cloître, Brussels, Belgium
Frank.Vassen: Eurasian Spoonbills (Patalea leucorodia), Schiermonnikoog, Netherlands
Frank.Vassen: European Tree Frog (Hyla arborea), Grądy-Woniecko, Poland
Frank.Vassen: Goldcrest (Regulus regulus), Auderghem, Brussels
Frank.Vassen: Golden Mantella (Mantella aurantiaca), Torotorofotsy wetlands, Madagascar
Frank.Vassen: Furcifer oustaleti (male), Lake Ravelobe, Madagascar
Frank.Vassen: Red-crested pochard (Netta rufina), Parc de Woluwe, Bruxelles
Frank.Vassen: Junger Sperlingskauz (Glaucidium passerinum), Ostbelgien
Frank.Vassen: Grèbe castagneux (Tachybaptus ruficollis) avec poussins, Parc de Woluwe, Brussels
Frank.Vassen: Broad nosed blue weevil (Holonychus saxosus), Vohimana reserve, Madagascar
Frank.Vassen: Eurasian Spoonbills (Patalea leucorodia), Schiermonnikoog, Netherlands
Frank.Vassen: Mandarin Duck (Aix galericulata), Parc du Rouge-Cloître, Brussels
Frank.Vassen: Male Wood Duck (Aix sponsa), Parc du Rouge-Cloître, Brussels
Frank.Vassen: Long-tailed Ground-roller (Uratelornis chimaera), Reniala reserve, Mangily, Madagascar
Frank.Vassen: Brown Mouse Lemur, Nosy Mangabe, Madagascar
Frank.Vassen: Great Crested Grebe (Podiceps cristatus), Parc de Woluwe, Brussels
Frank.Vassen: Boophis sp., Vohimana reserve, Madagascar
Frank.Vassen: Snowy owl (Bubo scandiacus), Vlieland, Netherlands
Frank.Vassen: Satanic Leaf Tailed Gecko (Uroplatus phantasticus), Andasibe, Madagascar
Frank.Vassen: Common Redshank (Tringa totanus), Salinas de Janubio, Lanzarote
Frank.Vassen: Greater Flamingos, Lake Tsimanampetsotsa, Madagascar
Frank.Vassen: Black woodpecker (Dryocopus martius), Parc de Woluwé, Brussels
Frank.Vassen: Volucella zonaria F (Syrphidae), Parc de Woluwe, Bruxelles