Himalayan striped squirrel Tamiops mcclellandii Western Burmese Sciuridae HSSQ TAMMCC Mammal Adult Forest Rodent Southeast Asia Wood Woodland Rainforest climbing funny hilarious behaviour hunting playing playful tree Kaeng Krachan National Park Thailand February copulation male female pair sex sniff sniffing copula foreplay smell smelling sexy anal mating season displaying hunt courtship display