🦤🧪🌐🦈 Shark vertebrae hold lifelong chemical records. Using stable isotopes, our new study reconstructs diet and habitat shifts in the Critically Endangered scalloped bonnethead—delivering key ecological insights to better guide conservation. bit.ly/esr01498
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🌐🧪🦤 New research on the endangered St. Lawrence Estuary (SLE) beluga characterizes blubber and prey lipid profiles across its food web. Sex-specific beluga profiles and taxonomic and seasonal prey shifts were identified, establishing a biochemical baseline for conservation research. bit.ly/esr01501