Characteristics Heavy built bird. Resembles a rock dove but is larger and has dark blue-grey underparts. Has broad grey band across tip of fanlike tail. Has yellow bill with a dark tip and yellow feet. Behavior Flocks are fond of perching for long periods of time in tops of tall trees.
Flocks are very conspicuous.
They are strong, swift fliers. At nesting time, flocks break up into pairs. Males utter deep, mellow, owl-like whoos. Reproduction Usually 1 - 2 white eggs are laid. Incubation is performed by both the male and female and lasts about 18 - 20 days.