Four distinct lineages of bird survived the Cretaceous–Paleogene extinction event 66 million years ago, giving rise to ostriches and relatives (Palaeognathae), waterfowl (Anseriformes), ground …

The ancestor of all living birds lived sometime in the Late Cretaceous, and in the 65 million years since the extinction of the rest of the dinosaurs, this ancestral lineage diversified into the major …

Most died out by the end of the Cretaceous Period, about 66 million years ago, but many lines of evidence now show that one lineage evolved into birds about 155 million years ago.

The evolution of birds is a fascinating journey that traces their origins back to small carnivorous dinosaurs known as theropods. The earliest known bird, Archaeopteryx, emerged during the …

Jun 7, 2023 · About 100 million years ago, birds had evolved into essentially modern-looking forms. Birds probably evolved a carina for flight and flightless birds lost them later. Roughly …

Oct 5, 2015 · Birds are one of the most recognizable and diverse groups of modern vertebrates. Over the past two decades, a wealth of new fossil discoveries and phylogenetic and …

Dec 6, 2023 · Discover the fascinating journey of The Evolution of Birds. Unearth how they transitioned from dinosaurs to the diverse species we know today.

Jul 29, 2025 · To watch a bird is to witness the culmination of millions of years of evolution. Every beat of a hummingbird’s wings, every call of a robin, every soaring eagle connects us to a …

Oct 5, 2015 · In this review, Brusatte et al. discuss the wealth of new fossil discoveries and phylogenetic and macroevolutionary studies that have transformed our understanding of the …

Explore some of the discoveries that changed how we view dinosaurs and revealed the direct link between modern bird species and theropod dinosaurs.