Siciliano, S., Moura, J., Filgueiras, H., Rodrigues, P. and Leite Jr., N. (2012) “Sightings of humpback whales on the Vitória-Trindade chain and around Trindade Island, Brazil”, Brazilian Journal of Oceanography, 60(3), pp. 455-459. doi: 10.1590/S1679-87592012000300016.