stork clattering the beak while throwing back the head, ciconia, couple white storks on the nest, alsace france, oberbronn

stork clattering alsace ciconia nest couple storks beak france head white bird migration breeding spring oberbronn building wildlife ciconiidae ornithology lorraine wetland twig habitat birds ecology europe gibraltar european ornethologist group watching observation meadow nature parents environment nesting reserve animal animals migratory free freedom place ciconiiformes region pair wing