Seeing th light: depth and time restrictions in the foraging capacity of emperor penguins at Pointe Géologie, Antarctica

• Published in: Aquatic Biology
• Main Authors: Zimmer, Ilka, Wilson, R., Beaulieu, Michaël, Ancel, André, Plötz, Joachim
• Other Authors: Department of Bentho-pelagic processes, Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI), Institute of Environmental Sustainability, Swansea University, Département Ecologie, Physiologie et Ethologie (DEPE-IPHC), Institut Pluridisciplinaire Hubert Curien (IPHC), Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2008
• Subjects: Light intensity; Foraging; Emperor penguins; Depth–time availability; [SDV.BID.EVO]Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE]; Pointe-Géologie; Antarc*; Antarctica; Aptenodytes forsteri; E. Antarctica
• Online Access: https://hal.science/hal-00311590; https://doi.org/10.3354/ab00082

International audience The foraging ability of visual hunters depends critically on light conditions. Emperor penguins Aptenodytes forsteri are reported to be visual hunters, but breed and forage at high latitudes and are thus exposed to extreme changes in light conditions in the course of the year....