rock sparrow petronia petronia in ports de beseit, tarragona, spain

rock sparrow petronia ports de beseit tarragona spain eurasian nature bird ground freeze wildlife animal montanus survival feather cold little winter weakling tree wild fall small weak eat beak freedom songbird hungry nestling young brown garden fauna plumage wings domestic natural branch looking birdwatching cute chick birds fly catch rocksparrow petroniapetronia iberian catalonia