Dinosaurs

  1. Dinosaur Behavior and Life History
    1. Diet and Feeding Strategies
      1. Herbivores
        1. Grazers and Browsers
          1. Ground-level Feeding
            1. Canopy Feeding
              1. Selective Feeding
              2. Jaw Mechanics
                1. Muscle Arrangements
                  1. Bite Forces
                    1. Chewing Motions
                    2. Gastroliths
                      1. Stone Selection
                        1. Digestive Function
                          1. Geographic Distribution
                          2. Dental Adaptations
                            1. Leaf-cutting Teeth
                              1. Grinding Surfaces
                                1. Continuous Replacement
                              2. Carnivores
                                1. Hunting and Scavenging
                                  1. Active Predation
                                    1. Opportunistic Scavenging
                                      1. Behavioral Evidence
                                      2. Tooth and Jaw Adaptations
                                        1. Serrated Edges
                                          1. Puncturing Teeth
                                            1. Bone-crushing Abilities
                                            2. Pack Hunting Evidence
                                              1. Trackway Associations
                                                1. Bonebed Occurrences
                                                  1. Cooperative Behavior
                                                  2. Prey Selection
                                                    1. Size Preferences
                                                      1. Vulnerability Factors
                                                        1. Hunting Strategies
                                                      2. Omnivores
                                                        1. Evidence for Omnivory
                                                          1. Tooth Morphology
                                                            1. Gut Contents
                                                              1. Coprolite Analysis
                                                              2. Dietary Flexibility
                                                                1. Seasonal Variations
                                                                  1. Resource Availability
                                                                    1. Opportunistic Feeding
                                                                2. Social Behavior
                                                                  1. Herding and Group Dynamics
                                                                    1. Evidence from Bonebeds
                                                                      1. Mass Death Assemblages
                                                                        1. Age Structure Analysis
                                                                          1. Behavioral Inferences
                                                                          2. Evidence from Trackways
                                                                            1. Parallel Tracks
                                                                              1. Size Sorting
                                                                                1. Movement Patterns
                                                                                2. Group Size Estimates
                                                                                  1. Small Groups
                                                                                    1. Large Herds
                                                                                      1. Mixed-age Associations
                                                                                    2. Display Structures
                                                                                      1. Crests
                                                                                        1. Hollow Resonating Chambers
                                                                                          1. Solid Display Structures
                                                                                            1. Sexual Dimorphism
                                                                                            2. Frills
                                                                                              1. Size Variation
                                                                                                1. Ornamentation Patterns
                                                                                                  1. Species Recognition
                                                                                                  2. Sails
                                                                                                    1. Thermoregulatory Function
                                                                                                      1. Display Purposes
                                                                                                        1. Sexual Selection
                                                                                                        2. Horns
                                                                                                          1. Combat Functions
                                                                                                            1. Display Purposes
                                                                                                              1. Species Identification
                                                                                                            2. Intraspecific Competition
                                                                                                              1. Combat Evidence
                                                                                                                1. Healed Injuries
                                                                                                                  1. Bite Marks
                                                                                                                    1. Weapon Damage
                                                                                                                    2. Sexual Selection
                                                                                                                      1. Dimorphic Features
                                                                                                                        1. Ornament Evolution
                                                                                                                          1. Mate Competition
                                                                                                                          2. Territorial Behavior
                                                                                                                            1. Resource Defense
                                                                                                                              1. Nesting Sites
                                                                                                                                1. Feeding Areas
                                                                                                                            2. Reproduction and Growth
                                                                                                                              1. Eggs and Nests
                                                                                                                                1. Egg Structure
                                                                                                                                  1. Shell Composition
                                                                                                                                    1. Size Variation
                                                                                                                                      1. Shape Adaptations
                                                                                                                                      2. Nesting Sites
                                                                                                                                        1. Colonial Nesting
                                                                                                                                          1. Solitary Nesting
                                                                                                                                            1. Site Selection
                                                                                                                                            2. Nest Construction
                                                                                                                                              1. Mound Building
                                                                                                                                                1. Excavated Nests
                                                                                                                                                  1. Material Selection
                                                                                                                                                2. Oology
                                                                                                                                                  1. Eggshell Microstructure
                                                                                                                                                    1. Crystalline Organization
                                                                                                                                                      1. Pore Systems
                                                                                                                                                        1. Taxonomic Indicators
                                                                                                                                                        2. Clutch Size
                                                                                                                                                          1. Reproductive Strategies
                                                                                                                                                            1. Parental Investment
                                                                                                                                                              1. Survival Rates
                                                                                                                                                              2. Incubation Methods
                                                                                                                                                                1. Brooding Behavior
                                                                                                                                                                  1. Environmental Incubation
                                                                                                                                                                    1. Temperature Control
                                                                                                                                                                  2. Parental Care
                                                                                                                                                                    1. Evidence for Brooding
                                                                                                                                                                      1. Fossil Positions
                                                                                                                                                                        1. Nest Associations
                                                                                                                                                                          1. Behavioral Analogies
                                                                                                                                                                          2. Juvenile Associations
                                                                                                                                                                            1. Family Groups
                                                                                                                                                                              1. Extended Care
                                                                                                                                                                                1. Learning Behaviors
                                                                                                                                                                                2. Feeding Young
                                                                                                                                                                                  1. Regurgitation Evidence
                                                                                                                                                                                    1. Provisioning Behavior
                                                                                                                                                                                      1. Nutritional Requirements
                                                                                                                                                                                    2. Growth Rates and Lifespans
                                                                                                                                                                                      1. Bone Histology
                                                                                                                                                                                        1. Growth Line Analysis
                                                                                                                                                                                          1. Tissue Types
                                                                                                                                                                                            1. Metabolic Indicators
                                                                                                                                                                                            2. Ontogenetic Changes
                                                                                                                                                                                              1. Size Progression
                                                                                                                                                                                                1. Morphological Shifts
                                                                                                                                                                                                  1. Behavioral Development
                                                                                                                                                                                                  2. Maturation Timing
                                                                                                                                                                                                    1. Sexual Maturity
                                                                                                                                                                                                      1. Growth Cessation
                                                                                                                                                                                                        1. Longevity Estimates
                                                                                                                                                                                                    2. Locomotion
                                                                                                                                                                                                      1. Bipedal vs Quadrupedal Movement
                                                                                                                                                                                                        1. Skeletal Adaptations
                                                                                                                                                                                                          1. Hip Structure
                                                                                                                                                                                                            1. Limb Proportions
                                                                                                                                                                                                              1. Balance Mechanisms
                                                                                                                                                                                                              2. Gait Analysis
                                                                                                                                                                                                                1. Walking Patterns
                                                                                                                                                                                                                  1. Running Gaits
                                                                                                                                                                                                                    1. Energy Efficiency
                                                                                                                                                                                                                  2. Running Speeds and Biomechanics
                                                                                                                                                                                                                    1. Limb Proportions
                                                                                                                                                                                                                      1. Cursorial Adaptations
                                                                                                                                                                                                                        1. Speed Estimates
                                                                                                                                                                                                                          1. Stride Length
                                                                                                                                                                                                                          2. Trackway Analysis
                                                                                                                                                                                                                            1. Footprint Spacing
                                                                                                                                                                                                                              1. Depth Patterns
                                                                                                                                                                                                                                1. Velocity Calculations
                                                                                                                                                                                                                                2. Muscle Reconstruction
                                                                                                                                                                                                                                  1. Attachment Sites
                                                                                                                                                                                                                                    1. Force Generation
                                                                                                                                                                                                                                      1. Power Output
                                                                                                                                                                                                                                    2. Swimming and Aquatic Adaptations
                                                                                                                                                                                                                                      1. Evidence for Aquatic Behavior
                                                                                                                                                                                                                                        1. Bone Density
                                                                                                                                                                                                                                          1. Limb Modifications
                                                                                                                                                                                                                                            1. Isotope Analysis
                                                                                                                                                                                                                                            2. Swimming Mechanics
                                                                                                                                                                                                                                              1. Propulsion Methods
                                                                                                                                                                                                                                                1. Buoyancy Control
                                                                                                                                                                                                                                                  1. Diving Capabilities