Ferman, L. M., Peter, H.-U. & Montalti, D., 2010. A study of feral pigeon Columba livia var. in urban and suburban areas in the city of Jena, Germany. Arxius de Miscel·lànea Zoològica, vol. 8

Table 1. Total pigeon number per area per activity from July to December 2007 in Jena city, Germany.
Tabla 1. Número total de palomas según la actividad y el área desde julio a diciembre en la ciudad de Jena, 2007, Alemania.
 

Activities  Urban area Location Suburban area Location Total
Resting 518 Roofs buildings 154 House roofs, eaves 672
Preening 170 City roofs 80 House roofs 250
Flying 178 Over the city 71 Over suburban neighbourhood 249
Eating 224 Near cafés, food shops, fast food shops 19 In gardens, near food industries  243
Sunning 160 Sunny side of buildings, roofs 48 Roofs, houses, gardens 208
Roosting 95 Roofs, building edges 47 In trees, on house eaves and ledges 142
Nesting 59 Atics, building edges, air-conditioning apparatus 19 House eaves and ledges 78
Perching  30 Buildings, balconies 19 House roofs, factory edges 49
Drinking 12 Water systems, drainage systems  7 Ponds, river banks 19
Sleeping 17 Building edges, on street poles 1 House eaves, ledges, balconies 18
Mating 1 On building edges 6 House roofs 7