sentences:  The eggs are incubated for 17–20 days to hatching, and the chicks fledge in another 20 days.The male has a display consisting of deep bows, and a display flight which consists of a climb, wing clapping, and slow glide down.The African olive pigeon feeds on fruit and berries, mainly picked in the canopy, but it will also descend for fallen fruit and take some insects and caterpillars.