Ancient flight of ostrich ancestors explains their global spread

Researchers report a fossil of Lithornis promiscuus from Wyoming with an intact sternum showing flight‑muscle attachment, dating it to the Paleogene (66–23 Myr). Read more: getnews.me/ancient-flight-of-ostric... #paleognaths #fossil #flightless

Ancient Bird Ancestor Shows Flight Capability of Flightless Birds

A 59‑56 Myr old fossil, Lithornis promiscuous, shows a sternum shape like modern long‑distance flyers, suggesting early paleognaths could undertake extensive migrations. Read more: getnews.me/ancient-bird-ancestor-sh... #paleognaths #fossil #aviation

Ancient Ostrich-Emu Ancestor Could Fly, Study Finds

Scientists found Lithornis promiscuus, a 66-23 million-year-old fossil from Wyoming, had a robust breastbone indicating it could fly, suggesting ancestors of ostriches and emus were capable of flight. getnews.me/ancient-ostrich-emu-ance... #paleognaths #fossil