Could Animals Once-Thought-Extinct Still Be Around?

Yes.

King Philip Can Order Fatty Gherkin Sandwiches (Kingdom Phylum Class Order Family Genus Species) A Photo by Monika Grabkowska on Unsplash

Lazarus taxa is the technical term of Latin origin that refers to the appearance of an animal after being thought to be extinct. Nope, this writer is not referring to dinosaurs, woolly mammoths, saber-tooth tigers and Tasmanian tigers or dodos. But rather certain turtles, birds of prey and a variety of other amphibians, reptiles, conifers and crustaceans.