https://www.livescience.com/31967-hawaii-petrel-bones-reveal-ocean-history.html
Bird Bones Reveal Human Effects on Ocean Food Chain | Live Science
May 13, 2013 - The fossil record of th Hawaiian petrel, an endangered species, shows how ocean fish populations have changed over time due to industrial fishing.
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https://www.fws.gov/media/bird-bones
Bird bones | FWS.gov
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