Show by subject Mammals Diversity of forms of mammals. Invertebrates Diversity of forms in invertebrates. Cavities and burrows Examples of bird nests located in cavities and burrows. Adult Orthopterans and True bugs and their nymphs Insects from the orders Orthoptera and Hemiptera undergo incomplete metamorphosis, with a larva (nymph) similar to the imago. In this collection, the nymph is shown first, followed by the adult. Inspired by nature Brazil and Canada. Poaceae (True grasses) Diversity of true grasses. Recently added Adult butterflies/moths (Lepidoptera) and their caterpillars Adult Orthopterans and True bugs and their nymphs