The Rise Of Birds: 225 Million Years Of Evolution «Secure 2027»

: 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 book outlines a chronology of bird development across major geological eras: The Rise of Birds: 225 Million Years of Evolution

: A sudden decline and near-extinction of most bird lineages alongside dinosaurs roughly 65 million years ago. The Rise of Birds: 225 Million Years of Evolution