Show by subject Camouflage Examples of camouflage amongs animals. Closed nests Examples of closed bird nests. Vertebrates Diversity of forms in vertebrates. Charadriiformes Diversity of forms of Charadriiformes. Portraits I Portraits of vertebrates and insects taken in free nature of South America, North America and Europe. Impressions of nature II Recently added Periodic plumage changes in birds Individual variability