Gray whale (Eschrichtius robustus) in the Mediterranean Sea: anomalous event or early sign of climate-driven distribution change?

aviad p. scheinin, dan kerem, colin d. macleod, manel gazo, carla a. chicote and manuel castellote Israel Marine Mammal Research and Assistance Center (IMMRAC), The Leon Recanati Institute for Maritime Studies and Department for Maritime Civilizations, The University of Haifa, Mount Carmel, Haifa 31905, Israel, IBES, University of Aberdeen, Aberdeen, UK, SUBMON—Conservation, study and awareness of the marine environment, Rabassa, 49-51. 08024 Barcelona, Spain, Department of Animal Biology, University of Barcelona, Diagonal 645, 08028 Barcelona, Spain, National Marine Mammal Laboratory, Alaska Fisheries Science Center, NOAA, Sand Point Way NE, Seattle, WA 98115 USA