Cutting-edge imaging technology such as X-ray computed tomography (CT) scanning allows researchers to see inside the bodies of living owls, visualizing the anatomical structures that relate directly to behavior, and to peer through rock to see into fossils. DNA analysis is revealing relationships in the owl tree of life, challenging old concepts about who is related to whom and how closely. New “eyes” in the field—infrared cameras and other night vision equipment, radio tagging, and drones over areas as remote as the snowy landscapes of Siberia—are advancing new discoveries about owl behavior
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