Green-pigeons and a green pigeon

Orders, families, genus, species: nested labels for life forms that we learn in school. Birds in the genus Treron are called green-pigeons. I tell them by the green or yellow chest feathers. But let’s step back. The order Columbiformes contains a single family Columbidae in which all doves (subfamily Clavarinae and Columbinae) and pigeons (part … Continue reading Green-pigeons and a green pigeon