white wagtail motacilla alba takes the river

adaptation alba area bath behavior behaviour branch brown can change common eat ecology ecosystem effect end eresma europaea feeding find floor food foodweb forest global grass green growth guadarrama habitat hunt iberian ildefonso laying life love mediterranean motacilla nature oak peacefull picture pyrenaica pyrenean quercus resources river rocks san sandpiper search segovia sierra something spain species springs stands sun taken takes taking timber tree wagtail was water whita white wild winter