Having a couple of lightweight, khaki or neutral colored items (T-shirt and shorts during the day; long sleeved shirts and long pants in the evening for warmth). However white would not be suitable as it increases your visibility to wildlife you want to get closer. Windbreaker and fleece or a sweater would prove useful for the cold mornings or chilly evenings. A wide-brimmed hat would prove quite useful during the day too. Layering your clothing is key here.