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  • Title: A novel intrauterine satellite transmitter to identify parturition in large sharks.
    Author: Sulikowski JA, Hammerschlag N.
    Journal: Sci Adv; 2023 Mar; 9(9):eadd6340. PubMed ID: 36857461.
    Abstract:
    Determining where and when animals give birth is critical for establishing effective conservation management that protects vulnerable life stages (e.g., pregnant females and newborns) and places (e.g., nursery grounds). To date, this information has been elusive in the case of highly migratory sharks in the wild. Here, we report on the deployment a of novel intrauterine satellite tag implanted in two highly mobile apex predators, the tiger shark (Galeocerdo cuvier) and the scalloped hammerhead (Sphyrna lewini), that remotely documented the location and timing of birth by a highly migratory oceanic animal in the wild. This novel technology will be especially valuable for the protection of threatened and endangered shark species, where protection of pupping and nursery grounds is a conservation priority.
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