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♦ ¹FEEDING ECOLOGY OF THE DARK-RUMPED PETREL IN THE GALAPAGOS ISLANDS, M. J. Imber, J. B. Cruz, J. S. Grove, R. J. Lavenberg, C. C. Swift, F. Cruz, The Condor 94:437-447 (1992)
♦ ²Seasonal and inter-annual variation in the feeding ecology of a tropical oceanic seabird, the red-tailed tropicbird Phaethon rubricauda, M. Le Corre, Y. Cherel, F. Lagarde, H. Lormée, P. Jouventin, Mar Ecol Prog Ser 255: 289–301, 2003