Show by subject Sexual dimorphism I Examples of differences in the appearance of males and females of the same species of birds, mammals and insects (compare on the same photo). Plant adaptations: Fire Adaptations of plants to areas exposed to frequent fire. Cavities and burrows Examples of bird nests located in cavities and burrows. Water in life of terrestrial animals Importance of water in life of terrestrial animals. Bromeliads Diversity of bromeliads (Brazil). Portraits I Portraits of vertebrates and insects taken in free nature of South America, North America and Europe. Recently added Periodic plumage changes in birds Individual variability