An Adélie penguin (Pygoscelis adeliae) crosses one of the 3 systems of identification and automatic weighing (mass tracker) of the ANTAVIA program, in Dumont d'Urville. Adélie Land, Antarctica
Thibaut Vergoz / Biosphoto
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Shooting date : 2015-02-16
Each composed of 2 identification antennas (direction of passage of the penguin) and 3 weighing trays (repetition of the measure) these systems allow the automatic tracking of the comings and goings of the penguins of the colony. This long-term monitoring system has been operational since 2009. In recent years mortality has been particularly high among Adélie penguins because the pack ice is no longer breaking up in summer, which requires adults to travel for a long time at sea to feed their chicks that have remained at sea. Earth. Many chicks do not survive.