Spanish imperial eagle (Aquila adalberti) sits on a Holm Oak (Quercus ilex), Castilla y Leon, Spain, Europe

accipitridae adalbert's eagle alertly alertness alert animals in the wild animals animal attention attentively attentiveness attentive bird of prey bird photography birds of prey birds bird castile and leon deciduous trees deciduous tree diurnal bird of prey diurnal birds of prey eagle europe fagales fauna habitat holly oak holm oaks holm oak iberian imperial eagle looking out looking look out looks out looks look natural environments natural environment natural habitat nature nobody no one no people oaks oak tree oak perches perch raptor sits sitting sit spain spanish eagle spanish imperial eagle spanish trees tree watches out watchfully watchful watching out watch out wild animals wild animal wildlife photography wildlife