Ancient Ostrich and Emu Ancestors Were Flighted Long-Distance Travelers
Originally Published 3 months ago — by The Conversation
A study of a 56-million-year-old fossil bird reveals that the ancestors of ostriches and emus were once capable of long-distance flight, challenging previous theories that their distribution was due to continental drift. Instead, these birds independently evolved flightlessness after arriving on different continents, with their ancestors being capable of extensive travel.
