Birds Up Close

A renowned engineer reveals the marvel of how birds work—from 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 lifelong birder Lorna Gibson in Birds Up Close . Feathers, bones, bills, eggs, flight: all come in for scrutiny in this engaging book. What