sentences:  John Devaraj, a renowned art director, choreographed a puppet-o-thon with the students to put more enthusiasm for the drive.Biodiversity experts have discovered 49 species of birds breeding here.Among those birds are darters, painted storks, black-crowned night herons, purple herons, pond herons, egrets, Asian openbill storks, Eurasian spoonbills, spot-billed pelicans, little grebes, little cormorants, spot-billed ducks, purple moorhens and common sandpipers.