Room service: A red-knobbed hornbill arrives with breakfast, which he will regurgitate for his roughly three-month-old chick safely inside a nest hole in an Alstonia tree.

• 客房服务：一只长有红色盔突的雄犀鸟带着早餐翩然而至。雄犀鸟将会把食物反刍给它大约3个月大的雏鸟，雏鸟安全地在一棵鸡骨常山属树木的巢穴里。