Komodo Dragon ( They are huge lizards / crocodile sized ) = their saliva infects any bitten prey / it relentlessly chases any bitten prey ,until resulting poison from infected wound ,slows the prey sufficiently enough for this Komodo dragon to finish it off and feast on the huge carcass ( an effective system that ensures this species remains strong /healthy ) ✅
Self-cloning lizard's population is made entirely of females. Single-gender lizards aren't that much of an oddity: About one percent of lizards can reproduce by parthenogenesis, meaning the females spontaneously ovulate and clone themselves to produce offspring with the same genetic blueprint.
Rarely growing larger than a foot (30 centimeters) in length, the Axolotl is one of nature’s smaller bundles of amazing. An endangered species in their native Mexico, these amphibians are a species of salamander that never undergoes metamorphosis and therefore remains gilled and aquatic for its entire life.
Lizards facing mass extinction from climate change
"Lizards Facing Mass Extinction from Climate Change Mar. 6, 2013 — Climate change could see dozens of lizard species becoming extinct within the next 50 years, according to new research published today. The often one-directional evolutionary adaptation of certain lizard species' reproductive modes could see multiple extinctions as the global temperature increases..."