Dietary Strategies Behavioral Ecology Urban Ecology Camouflage Sensory Organs Novel Traits Physiological Adaptation Arthropod Anatomy Arthropod Evolution Metabolism Intelligence Behavioral Biology Cephalopod Evolution Reproductive Adaptation Sexual Dimorphism Survival Mechanisms Parasitism Parasites Theropods Size Variation Species Diversity Carnivorous Species Crocodilians Convergence Dietary Habits Climate Change Arboreal Adaptations Species Adaptation Bergmann's Rule Body Size Evolution Survival Strategies Genetics Biological Structures Species Species Longevity Reproductive Strategies Iron Coating Predatory Behavior Prey Manipulation Predator-Prey Interactions Physiological Traits
Isotope ratios in tooth enamel match river chemistry to place a Prognathodon‑lineage hunter inland.