Birds as Indicators of Ecosystem Health: Strengths, Limitations, and Inference Under Uncertainty

This activity engages students in evaluating the use of birds as indicators of ecosystem health, with a focus on the strengths, limitations, and uncertainties inherent in ecological inference. Students examine how and when bird populations, community composition, or behavior can reliably reflect underlying environmental conditions, and when such inferences may be misleading. The activity uses case studies, datasets, and guided discussion to help students distinguish correlation from causation, assess evidence quality, and consider issues of scale, context, and variability. Students are asked to interpret patterns in bird data, connect those patterns to ecological processes, and evaluate alternative explanations. Aligned with the Four Dimensions of Ecology and Evolution (4DEE), the activity integrates core ecological concepts (e.g., populations, communities), ecology practices (data analysis and interpretation), cross-cutting themes (scale, systems, uncertainty), and humanenvironment interactions (monitoring, conservation decision-making). This resource is well suited for undergraduate courses in ecology, conservation biology, or organismal biology and can be adapted for lecture, discussion, or lab settings.