Sri Lanka, Feb. 15 -- Watching an adorable critter like the mouse deer or chevrotain prance across the first floor in the moonlight; if you're lucky enough to witness this spectacle is a lesson in patience, perseverance and the joys of nocturnal wildlife viewing all at once. They add to Sri Lanka's plethora of unique ecological diversity but prefer to stay away from us in an almost mythical way. Zoologist Dulan Jayasekara says that "Despite having few offspring per litter and their diminutive size, they still evade predation due to their 'elusive behaviour' coupled with the fact that they are most active at night and dusk. Their cryptic behavioural adaptations are why they have survived so well." He added "I had to do research and observati...