Fecha de publicación: 26/08/1987 Fuente: WIPO "pollen" 1. Drinking trough for poultry, in particular drinking trough for pigeons, with a pot-like container (1), the side wall (3) of which comprises a plurality of drinking openings (4), said drinking openings (4) allowing the animals to stick their heads through, characterized in that the drinking openings (4) are each covered on the inside with their own flap (6) and the flaps (6) are freely rotatably held above the drinking openings (4) by means of hinges (5, 7).