If you are interested in university level education in Toronto with a marine mammal focus, there are a number of undergraduate degree level courses at the 2nd 3rd and 4th year levels, including field courses available at the University of Toronto, through the Department of Physiology. These courses are run as recognized and approved undergraduate courses at the University of Toronto. For more information, visit the Department of Physiology, University of Toronto website at http://www.physiology.utoronto.ca/undergraduate-courses.
In order to take these courses you must enroll through the University of Toronto.