Sex and spatial proximity affect ungulate behavioral synchrony 1Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China 2Centre for Animal Health and Welfare, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China 3Department of Veterinary Clinical Sciences, Jockey Club College of Veterinary Medicine and Life Sciences, City University...