One key element is evolution. Through evolution, eagles got their strong physical features like sharp talons and beaks. Another element is their adaptation to the environment. They adapted to be great hunters in different habitats. Also, competition with other species might have influenced their origin as they had to be better at hunting and surviving.
The origin story of eagles often dates back to their evolution. Eagles evolved over time to become the powerful birds of prey we know today. Their sharp talons and beaks developed for hunting, and their excellent eyesight evolved to spot prey from great distances. Their large wingspan also evolved to enable them to soar high in the sky, giving them an advantage in the wild.
Well, without more context, it's hard to say exactly. It could be a story of a conservation effort related to black eagles. It might tell how people are trying to protect these magnificent birds, the threats they face like habitat loss or poaching, and the measures being taken to ensure their survival. This kind of story could also involve the relationship between humans and black eagles in the context of conservation.
It's purely fictional. The plot and events in 'Where Eagles Dare' were made up by the writers to engage and thrill the audience. There's no basis in real events.
The story behind the eagles is that they are powerful allies. They have their own motives and allegiances, but are willing to help when they sense injustice or when there's a need to protect.