When one company proclaimed it had brought back the dire wolf, the response was joyous. But de-extinction remains a dangerous ...

Instead, they often use the morphological species concept, where extinct species are identified using similarities in their size and shape. However, this definition has its own issues when it comes to ...

longipennis, D. pictipennis, and D. spurcata exhibit significant genetic divergence in the COII mitochondrial gene and morphological characteristics that support their classification as distinct ...