THE FIRST DUCK-BILLED DINOSAUR (FAMILY HADROSAURIDAE) FROM ANTARCTICA EVOLUTION OF POLYGAMY IN THE LONG‐BILLED MARSH WREN Ivory-billed woodpecker (Campephilus principalis) persists in continental North America. Ivory-billed woodpecker (Campephilus principalis) persists in continental North America. Destruction of eggs by the long-billed marsh wren (Telmatodytes palustris palustris) Comment on "Ivory-billed woodpecker (Campephilus principalis) persists in continental North America". Age-Specific Reproductive Performance in Red-Billed Choughs Pyrrhocorax pyrrhocorax: Patterns and Processes in a Natural Population Nest Success, Habitat Utilization and Nest-Site Selection of Long-Billed Curlews in the Columbia Basin, Oregon Environmental Variability, Life-History Covariation and Cohort Effects in the Red-Billed Chough Pyrrhocorax pyrrhocorax THE LEVEL OF RESERVE PROTEIN AS THE PROXIMATE FACTOR CONTROLLING THE TIMING OF BREEDING AND CLUTCH‐SIZE IN THE RED‐BILLED QUELEA Q...
