Birds Up Close: An Engineer Explores Their Hidden Wonders Alabama The culmination of more than

The culmination of more than a decade of research and field experience

Klaus Malling Olsen is widely regarded as the world's foremost gull expert

Bumped corners and edge

Local species name and local conservation status included

Birds Up Close: An Engineer Explores Their Hidden Wonders Alabama The culmination of more thanA renowned engineer and lifelong birder reveals the marvel of how birds workfrom the tips of their beaks to the sheen of their tailfeathers. Consider feathers: They define birds wings, enabling flight. They insulate against cold. They repel water. They even control sound. And how feathers work is just one aspect of the wonders of birds explained by pathbreaking researcher and birder Lorna Gibson in Birds Up Close. Feathers, bones, bills, eggs, flight: