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Animals Evolutionary Biology

Extinction and De-extinction of the Dodo

The Dodo, a flightless bird that looked like a huge pigeon and lived in Mauritius, has become a symbol of extinction. Although many species have become extinct in the history of life on earth, the Dodo is still often talked about, probably because of the anthropogenic causes of its extinction. Historic descriptions and data collection […]

Categories
Animals Evolutionary Biology

How did dinosaurs become extinct?

Dinosaurs are a diverse group of reptiles that appeared about 250 million years ago at the beginning of the Triassic period and dominated the Earth during the Jurassic and the Cretaceous period. However, they suddenly vanished from the face of the Earth after a nearly 200 million years’ presence, at the end of the Cretaceous […]

Categories
Animals

Meet the tuatara

Tuatara are reptiles belonging to the species Sphenodon punctatus. Biologists are very interested in this animal due to its uniqueness and history. Tuatara look like lizards, but they are much more different. They are the only surviving members of the order Rhynchocephalia, which was represented by many species around the world, about 200 million years ago, […]