Dear Colleagues, in a series of recent reports we have confirmed the earlier results from a beluga whale (Delphinapterus leucas) population in the White Sea, that calves prefer to swim to the right of their mothers, thus keeping them in the left eye hemifield of vision. The same is true for wild Orcas. More detailed account for the influence of escort condition, calf age, research boat approach or population differences you may read in: Karenina et al 2013b Lateralization of spatial relationships between wild mother and infant orcas, Orcinus orca. Animal Behaviour http://www.sciencedirect.com/science/article/pii/S0003347213004296 and Karenina et al 2013a Social laterality in wild beluga whale infants: comparisons between locations, escort conditions, and ages. Behavioural Ecology and Sociobiology http://link.springer.com/article/10.1007/s00265-013-1545-2 Yours -- Dr. Yegor B. Malashichev, Associate Professor/Dozent Department of Embryology & Department of Vertebrate Zoology, St. Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg, 199034, Russia. Phone: +7(812)328-9453; -9689; Fax: +7(812)328-9569 e-mail: malashichev@gmail.com http://www.bio.spbu.ru/staff/id152_ebm.php http://www.bio.spbu.ru/staff/id161_ebm.php http://www.neuroscience.spb.ru/i10n/ru/?page=cv&id=31&action=show https://sites.google.com/site/kareninagiljov/ P Please consider the environment before printing this e-mail.