Figure 2. Partial karyotype showing the largest autosomal pairs and ZW sex chromosomes of eight Columbidae analyzed by conventional Giemsa-staining: (a) Zenaida auriculata, male; (b) Geotrygon montana, male; (c) Geotrygon violacea, female; (d), Columba livia, female; (e) Patagioenas cayennensis, male; (f) Columbina talpacoti, female; (g) Columbina passerina, male; (h) Columbina picui, male. Sex chromosomes are boxed. Bar = 5 μm.