By virtue of their visibility and movement, birds are often the most obvious inhabitants of our natural landscape. Different species of birds help define our perception of time and place. The soaring eagle conjures a mountainous wilderness devoid of human existence.

The mere sound of a screaming gull can evoke the aroma of the sea. The liquid call of a curlew in spring describes wild moorland in an instant.These sights and sounds act as metaphors for human experiences.