ANCHORAGE, Alaska (AP) — Scientists researching the severe decline in Alaska's Steller sea lion population have a fingered a new possible suspect for the drop: Pacific sleeper sharks, a species previously thought of as a scavenger and fish-eater. A study led by Oregon State University researcher Markus Horning concludes that three juvenile sea lions tracked with implanted data transmitters were killed by a cold-blooded predator, and the likely culprits were sleeper sharks, which can grow to 20 feet long. Transmitters surgically implanted in the sea lions that...
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