Birds

British Sea Birds

Nature's invitation: Notes of a bird-gazer, North and South

The Ruby-throated Hummingbird

Birds in the Second World War

The Role of Birds in World War One

The cretaceous birds of New Jersey

Cavity-Nesting Birds of North American Forests. Agriculture Handbook 511

Extinct Birds

A Bird in the Bush

Birds in Town & Village

False Knees

Peterson Reference Guides To Gulls of The Americas

Pilgrims of the Air

Handmade Houses and Feeders for Birds, Bees, and Butterflies

Ireland's Garden Birds: A Guide to Attracting and Identifying Garden Birds

Homing with the Birds

Birds and Blooms of the 50 States

Endangered and Disappearing Birds of the Midwest

The Bird Watcher in the Shetlands, with Some Notes on Seals—and Digressions

Condor