golden eagle alps switzerland aquila chrysaetos birds of prey accipitridae

accipitral accipitridae accipitriformes accipitrine alps animal aquila aves background beak bird brown buteoninae chrysaetos claws eagle eagles environment eye falconiformes feather flight flying frost golden hawk hawkish head hunting nature ornithology outdoors paws portrait power predator prey raptor snow snowy spain spread true vulturine wild wildlife wings wingspan