Acknowledgements
For vouchered specimens, we thank Heath Cook and Willy Bemis and the Cornell University Museum of Vertebrates, Kansas University, the Northeastern University Ocean Genome Legacy Center, and the Smithsonian National Museum of Natural History collections. Tissues in our feed mixture were derived from collections by P.B.M. under permission from the nations of Venezuela and Tanzania, and the State of New York. Thanks to Harmony Borchardt-Wier for laboratory assistance. This work was supported by a gift from the David R. and Patricia D. Atkinson Foundation to the Cornell Atkinson Center for Sustainability and Environmental Defense Fund to P.B.M. and N.O.T.