Abstract:
Systematically planned observations conclusively reveal that sudden and large natural changes in the ambient light conditions during a total solar eclipse for a few minutes, initiates and cause marked alterations in the normal behavior pattern of the primates. Observations on the individual as well the group dynamical behavior among the red-faced Bonnet monkeys and the black faced Hanuman Langurs in the thick forested area near Ankola in Uttara Kannada district of Karnataka during the total solar eclipse are reported here.