As new hardcover. Articles include: Population Declines in Migratory Birds in Eastern North America, Avian Energy Storage, Survival Rates and their Relationship to Life-History Traits in Some Common British Birds, Food Storing in Birds, Nonbreeding Social Organization in Parus, Age-Specific Variation in Reproductive Performance of Birds, The Evolution of Coloniality, and The Ecology and Evolution of Extra-Pair Copulations in Birds.