écologie (2) Ecology (2) Uplands (2) Ecology (2) zoologie (1) oiseau (1) couverture végétale (1) science (1) animal (1) habitat (1) champ (1) évolution (1) Zoology (1) Science (1) Ortolan bunting (1) Evolution (1) Wintering (1) Sizes (1) Science (1) Evolution (1) Behavior (1) Habitat (1) oiseau (1)