Ornithology

  1. Avian Ecology
    1. Habitat Relationships
      1. Habitat Selection
        1. Microhabitat Preferences
          1. Seasonal Habitat Use
            1. Habitat Quality Assessment
            2. Ecological Niche Concepts
              1. Fundamental Niche
                1. Realized Niche
                  1. Niche Partitioning
                  2. Specialization versus Generalization
                    1. Specialist Adaptations
                      1. Generalist Flexibility
                        1. Trade-offs
                      2. Population Ecology
                        1. Population Dynamics
                          1. Birth Rates
                            1. Death Rates
                              1. Immigration and Emigration
                              2. Life History Strategies
                                1. Survivorship Patterns
                                  1. Reproductive Strategies
                                    1. Life Table Analysis
                                    2. Population Regulation
                                      1. Density-dependent Factors
                                        1. Density-independent Factors
                                          1. Carrying Capacity
                                        2. Community Ecology
                                          1. Community Structure
                                            1. Species Richness
                                              1. Species Diversity
                                                1. Abundance Patterns
                                                2. Interspecific Interactions
                                                  1. Competition
                                                    1. Predation
                                                      1. Parasitism
                                                        1. Mutualism
                                                        2. Ecological Roles
                                                          1. Pollination Services
                                                            1. Seed Dispersal
                                                              1. Pest Control
                                                                1. Nutrient Cycling
                                                              2. Migration Ecology
                                                                1. Migration Patterns
                                                                  1. Latitudinal Migration
                                                                    1. Longitudinal Migration
                                                                      1. Altitudinal Migration
                                                                        1. Partial Migration
                                                                          1. Irruptive Movements
                                                                          2. Migration Physiology
                                                                            1. Pre-migration Preparation
                                                                              1. Fat Deposition
                                                                                1. Organ Modifications
                                                                                  1. Hormonal Control
                                                                                  2. Migration Costs and Benefits
                                                                                    1. Energetic Costs
                                                                                      1. Mortality Risks
                                                                                        1. Resource Access

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                                                                                    5. Avian Behavior and Ethology

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                                                                                    7. Field Ornithology and Research Methods