India, Feb. 16 -- There could be no couple which seems so desirous and committed to each other as Ruddy shelducks (Brahminy ducks). These migratory birds that never give the Sukhna lake a miss, however inhospitable its habitat may be to wintering avian tourists, are a picture of coupling elegance and commitment. A pair can be seen habituating the shade of trees to the left of the Bird Walk branching off from the regulator end....