Effects of the 1982/83 El Nino on Galápagos fur seals and sea lions
Trillmich, FritzIn: Noticias de Galápagos, Jg. 42, S. 22-231985Effects of the lunar cycle on the Galápagos fur seal, Arctocephalus galapagoensis
Trillmich, Fritz ; Mohren, WernerIn: Oecologia, Jg. 48 H. 1, S. 85-921981El Nino: effects of environmental stress on pinniped populations
Trillmich, Fritz ; Breckle, Siegmar-Walter (Hrsg.)In: Stress - auf allen Ebenen, Jg. 6, S. 103 ff.1992Energetic limits to brood care: influences on fertility, and longterm fitness consequences
Trillmich, FritzIn: Verhandlungen der Deutschen Zoologischen Gesellschaft, Jg. 84, S. 79-871991Estimating diet composition from scat analysis in otariid seals (Otariidae): is it reliable?
Dellinger, T. ; Trillmich, FritzIn: Canadian journal of zoology, Jg. 66 H. 8, S. 1865-18701988Evolution of age at primiparity in pinnipeds in the absence of the quality–quantity trade‐off in reproduction
Kalberer, Stephanie ; De Rango, Eugene ; Trillmich, Fritz ; Krüger, OliverIn: Ecology and Evolution, Jg. 9 H. 9, S. 5450-54562019Feeding territories and breeding success of South Polar skuas
Trillmich, FritzIn: The Auk, Jg. 95 H. 1, S. 23-331978Female aggression and male peace-keeping in a cichlid fish harem: conflict between and within the sexes in Lamprologus ocellatus
Walter, Bernhard ; Trillmich, FritzIn: Behavioral Ecology and Sociobiology, Jg. 34 H. 2, S. 105-1121994First observations on colony structure, behavior and vocal repertoire of the South American fur seal (Arctocephalus australis, Zimmermann 1783) in Per [...]
Trillmich, Fritz ; Majluf, PatriciaIn: Zeitschrift für Säugetierkunde, Jg. 46, S. 310-3221981Foraging strategies of the Galapagos Marine Iguana (Amblyrhynchus Cristatus): adapting behavioral rules to ontogenetic size change
Wikelski, Martin ; Trillmich, FritzIn: Behaviour, Jg. 128 H. 3, S. 255-2791994Foraging strategies of the marine iguana, Amblyrhynchus cristatus
Trillmich, Krisztina G. K. ; Trillmich, FritzIn: Behavioral Ecology and Sociobiology, Jg. 18 H. 4, S. 259-2661986Galápagos and Californian sea lions are separate species: genetic analysis of the genus Zalophus and its implications for conservation management
Wolf, Jochen B. W. ; Tautz, Diethard ; Trillmich, FritzIn: Frontiers in Zoology, Jg. 4 H. 12007Influence of rare ecological events on pinniped social structure and population dynamics
Trillmich, Fritz ; Boyd, Ian L. (Hrsg.)1993The influence of separation on the pair bond in budgerigars (Melopsittacus undulatus; Aves, Psittacidae
Trillmich, FritzIn: Zeitschrift für Tierpsychologie, Jg. 41, S. 396-4081976Intraspecific allometry of neonatal size in the antarctic fur seal (Arctocephalus galapagoensis)
Costa, D. P. ; Trillmich, Fritz ; Croxall, J. P.In: Behavioral Ecology and Sociobiology, Jg. 22 H. 5, S. 361-3641988Introductory remarks on the natural history of fur seals
Trillmich, Fritz ; Trillmich, Fritz (Hrsg.)1991Learning experiments on individual recognition in budgerigars (Melopsittacus undulatus)
Trillmich, FritzIn: Zeitschrift für Tierpsychologie, Jg. 41, S. 372-3951976Maternal investment and sex-allocation in the Galapagos fur seal, Arctocephalus galapagoensis
Trillmich, FritzIn: Behavioral Ecology and Sociobiology, Jg. 19 H. 3, S. 157-1641986