Reptiles

Evolutionary history: Reptiles have an evolutionary history stretching back more than 300 million years. They belong to the sauropsid branch of the amniotes, whose reproductive adaptations reduced dependence on open water and helped vertebrates establish themselves across terrestrial environments. Modern phylogenetics also places birds within the reptile lineage; in TerraPlaza Magazine, this category focuses on the familiar non-avian reptiles, including turtles, crocodilians, lizards, snakes and tuatara.

Appearance and lifestyle: Keratinized scales or scutes, lung breathing and a reliance on environmental heat for thermoregulation are characteristic features of reptiles. Yet the group is remarkably diverse: reptiles inhabit deserts, rainforests, mountains, freshwater habitats and oceans, with lifestyles ranging from terrestrial and arboreal to burrowing and highly aquatic.

Ecological role: Reptiles regulate prey populations as predators and form an important part of food webs as prey, while some herbivorous and fruit-eating species also contribute to seed dispersal. Science now recognizes more than twelve thousand living reptile species, while new discoveries and taxonomic revisions continue to reshape that number. Habitat loss, invasive species and unsustainable harvesting threaten many species, making reliable knowledge essential both for reptile conservation and responsible reptile keeping.

The red-eyed crocodile skink (Tribolonotus gracilis) native to the rainforests of New Guinea, has become particularly popular among enthusiasts of exotic animals due to its small size and distinctive, “dragon-like”. appearance.