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Recognition of the individual nesting box in budgerigars
In: Zeitschrift für Tierpsychologie, Jg. 42, S. 1-111976


Patient parents: Do offspring decide on the timing of fledging in zebra finches?
In: Ethology, Jg. 122 H. 5, S. 411-4182016
Paarzusammenhalt beim Mäusebussard (Buteo buteo L.) im Winter
In: Die Vogelwelt, Jg. 86, S. 60-611965
Ontogenetic changes in food intake and digestion rate of the herbivorous marine iguana (Amblyrhynchus cristatus, Bell)
In: Oecologia, Jg. 94 H. 3, S. 373-3791993
On the Challenge of Interpreting Census Data: Insights from a Study of an Endangered Pinniped
In: PLOS ONE, Jg. 11 H. 52016
New perspectives in behavioural development: adaptive shaping of behaviour over a lifetime?
In: Frontiers in Zoology, Jg. 12 H. Suppl 12015
Mutual mother-pup recognition in Galápagos fur seals and sea lions: cues used and functional significance
In: Behaviour, Jg. 78 H. 1, S. 21-421981
Milk of the Galápagos fur seal and sea lion, with a comparison of the milk of eared selas (Otariidae)
In: Journal of zoology, Jg. 209, S. 271-2771986

Maternal investment and sex-allocation in the Galapagos fur seal, Arctocephalus galapagoensis
In: Behavioral Ecology and Sociobiology, Jg. 19 H. 3, S. 157-1641986

Learning experiments on individual recognition in budgerigars (Melopsittacus undulatus)
In: Zeitschrift für Tierpsychologie, Jg. 41, S. 372-3951976

Intraspecific allometry of neonatal size in the antarctic fur seal (Arctocephalus galapagoensis)
In: Behavioral Ecology and Sociobiology, Jg. 22 H. 5, S. 361-3641988


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