The eagle

If you want to see a royal eagle (Aquila chrysaetos), you must listen out for the marmots. These rodents form the bulk of its diet during the summer. As it appears in the sky, the alert is given by a single shrill and powerful cry. The marmots disappear in to their burrows and you must then scan the sky ... Ÿou can recognise the young or immature birds from the large white areas under the wings and on the tail. These white patches reduce with age and disappear at around 5 years.