Polarornis gregorii

† Polarornis gregorii was an extinct bird (Aves) from Antarctica. A herbivore of the Late Cretaceous, it inhabited the ecosystems of this region. Fossils contribute to understanding the paleontological diversity of this area and time period.

Diet & Feeding

Herbivore

Polarornis gregorii was a plant-eating dinosaur. Herbivores typically fed on ferns, cycads, conifers, and other vegetation available during their era. Many herbivorous dinosaurs developed specialized teeth and digestive systems for processing tough plant material.

Time Period

Cretaceous Late Mesozoic Era

Polarornis gregorii lived during the Cretaceous Late period of the Mesozoic Era, approximately 100,5 to 66,0 million years ago.

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.