In the Autumn of 1979, bird observations were made in the Azores during a marine biological expedition within the scope of the CANCAP-Project of the Rijksmuseum van Natuurlijke Historie. Six out of the nine islands of the archipelago were visited

ornithology, birds, Butorides virescens, Anas discors, Calidris fuscicollis, Calidris pusilla, Passer domesticus, breeding birds, non-breeding birds, migrant birds, Archipelago of the Azores, new record, CANCAP-Project, resident birds, observations
Staff publications

den Hartog, J.C, & Lavaleye, M.S.S. (1981). mber-1 November 1979), including a list of collecting stations [CANCAP-Project]. Bocagiana, 56, 1–27.