Are endotherms emancipated?: some considerations on the cost of reproduction
In: Oecologia, Vol. 69 Issue 4, page 631-633Are marine iguanas endanged on islands with introduced predators?
In: Noticias de Galápagos, Vol. 53, page 13-15The behavioral ecology of maternal effort in fur seals and sea lions
In: Behaviour, Vol. 114 Issue 1, page 3-20Beobachtungen an Schlafplätzen der Kornweihe (Circus cyaneus) in der Oberrheinebene
In: Die Vogelwelt, Vol. 91, page 184-191The breeding season of the flightless cormorant Nannopterum harrisi at Cabo Hammond, Fernandina
In: The Ibis, Vol. 125 Issue 2, page 221-223Der Brutraum beeinflußt Gelegegröße und Fortpflanzungserfolg beim Star (Sturnus vulgaris)
In: Journal für Ornithologie, Vol. 125 Issue 1, page 75-79Cephalopods in the diet of fur seals of the Galápagpos islands
In: Journal of zoology, Vol. 190, page 211-215Characterization of proteins and fatty acid composition in galapagos fur seal milk. Occurrence of whey and casein protein polymorphisms
In: Comparative Biochemistry and Physiology, Part B: Biochemistry and Molecular Biology, Vol. 90 Issue 2, page 447-452The complete primary structure of the marine carnivora, galapagoes fur seal (Arctocephalus galapagoensis, Otariidae) hemoglobins
In: Journal of Protein Chemistry, Vol. 10 Issue 3, page 257-263Conservation problems on Galápagos: the showcase of evolution in danger
In: Die Naturwissenschaften, Vol. 79 Issue 1, page 1-6Distribution and abundance of sea lions (Otaria byronia) and fur seals (Arctocephalus australis) in Peru
In: Zeitschrift für Säugetierkunde, Vol. 46, page 384-393