a rock for the egret

behavior behaviour bird blue brachydactyla breeding brown bugs common early eat ecology ecosystem egret egretta europaea feeding female fligh flight floor fly food foodweb forest forests garzeta green growth guadarrama heron ildefonso lake laying life lion little looking love mating mediterranean movement nature oak picture pyrenaica pyrenean pyrennean quercus relationship reproduction river rock search segovia shorttoed sierra sitta sky something spain species springs sun taken tree typical vigilante water white wild