The Rise Of Birds: 225 Million Years Of Evolution -

In his work The Rise of Birds: 225 Million Years of Evolution , paleontologist Sankar Chatterjee provides a comprehensive review of the avian fossil record, arguing that birds began their evolutionary journey significantly earlier than often cited. Key Scientific Contributions

: While Chatterjee identifies Protoavis as the "first bird" based on its bird-like skull and neck, many in the scientific community remain skeptical, viewing the remains as a chimeric mix of different Triassic reptiles. The Rise of Birds: 225 Million Years of Evolution

: The emergence of the avian lineage in the Pangean world via Protoavis . In his work The Rise of Birds: 225

: Chatterjee advocates for the "trees-down" (arboreal) theory , suggesting that flight evolved from gliding between trees rather than running on the ground ("ground-up"). Evolutionary Timeline The Rise of Birds: 225 Million Years of Evolution