Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes) fluffing, Gelderland, Netherlands

Walter Soestbergen/ BIA / Bohemian Waxwing (Bombycilla garrulus), Amstelveen, Netherlands

Walter Soestbergen / Eurasian Sparrowhawk (Accipiter nisus) male, Utrecht, Netherlands

Walter Soestbergen / Smew (Mergellus albellus) female eating fish, Utrecht, Netherlands

Walter Soestbergen / Eared Grebe (Podiceps nigricollis) male in breeding plumage, Utrecht, Netherlands

Paul D Stewart / Skull of Moa or Dinornis discovered by Mr. Walter Mantell on the North Island of New Zealand. Plate with later tinting, from Gideom Mantell's petrifactions and their teachings (1851) published by Henr...

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes), Gelderland, Netherlands

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes), Gelderland, Netherlands

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes) carrying nut, Gelderland, Netherlands

Walter Soestbergen/ BIA / Small Pearl-bordered Fritillary (Boloria selene) butterflies, Netherlands

Walter Soestbergen/ BIA / White-spotted Bluethroat (Luscinia svecica cyanecula) male calling, North Holland, Netherlands

Walter Soestbergen/ BIA / Marabou Stork (Leptoptilos crumeniferus), Western Cape, South Africa