Metapopulation Tracking Juvenile Penguins Reveals an Ecosystem-wide Ecological Trap

This study contributes to the Chick Bolstering Project (CBP) and SEACODE research group, Namibia. This work was supported by the Natural Environment Research Council (grant number NE/G001014/1), Bristol Zoological Society, Earthwatch Institute, Leiden Conservation Foundation, SANCCOB, CBP donors (see http://tinyurl.com/SANCCOB-CBP), and our institutions. We thank SAN Parks, Robben Island Museum, Overstrand Municipality, CapeNature, Zeepaard Boat Tours, and numerous fieldwork assistants (see http:// tinyurl.com/gubvd24); Stefano Casalegno and Michael Schaub for statistical advice; Mike Me¨ yer for help with PTTs; Janet Coetzee for hydroacoustic survey maps; and Rob Crawford, Kevin Gaston, and Richard Inger for commenting on drafts. The GEKCO2 product was developed by Joe¨ l Sudre (LEGOS). The MODIS-Aqua data were from the Ocean Biology Processing Group at NASA (http://oceancolor.gsfc.nasa.gov). Dr. Nola Parsons (SAVC: D97/3987) and Dr. Lucy James (MRCVS: 6462618) provided veterinary supervision.