This would have been a survival advantage for the hatchlings

Arctodus pristinus is an extinct species of short-faced bear belonging to the genus Arctodus

podría haber utilizado su cola como un mecanismo de defensa contra depredadores

Altura 24 mm

en el rango de tiempo conocido como el Maastrichtiano

Archaeopteryx lithographica Scale:1:1 This would have been aArcheopteryx lithographica is an emblematic species of evolution, considered a crucial link between dinosaurs and modern birds. It lived during the late Jurassic period, approximately 150 million years ago, and its fossils have been found in the Solnhofen region of Bavaria, Germany. This discovery, first made in 1861, revolutionized our understanding of bird evolution. Archeopteryx had a size comparable to that of a modern pigeon, with a length of