archaeopteryx

• Вымершая примитивная зубастая птица юрского периода, характеризующаяся длинным оперённым хвостом и полыми костями, часто считающаяся самой примитивной из всех птиц.

An extinct primitive toothed bird from the Jurassic period, characterized by a long feathered tail and hollow bones, often considered the most primitive of all birds.

1. Extinct primitive birdC2formalscientific

   An extinct primitive toothed bird of the Jurassic period, having a long feathered tail and hollow bones; usually considered the most primitive of all birds.

   Вымершая примитивная птица

   • The archaeopteryx is often considered a transitional fossil between dinosaurs and modern birds.
   • Fossils of archaeopteryx have been found in Germany.
   • Scientists study archaeopteryx to understand the evolution of flight.