L'Île de Pâques et la Plume du Dieu-oiseau explores the rich cultural heritage of Rapa Nui, focusing on the legendary bird‑god motif that permeates the island’s mythology and material culture. Drawing on archaeological evidence and oral traditions, the author examines how the feathered deity symbolizes the connection between the living community and their ancestral past. The book discusses the significance of the birdman competition, the role of seabirds in ritual life, and the ways these beliefs influenced the creation of the iconic moai statues. By intertwining historical research with narrative storytelling, the work offers readers a nuanced understanding of how environmental factors, social structures, and spiritual ideas shaped the unique civilization of Easter Island. It serves as both an informative resource for scholars interested in Pacific anthropology and an accessible introduction for general readers fascinated by the mysteries of this remote Polynesian outpost.