By IAN DAVIDSON and CHRIS TZAROS
DURING late summer, and for a limited time only, the Dollarbird is quite a conspicuous bird.
This is the period that the adults are teaching their recent fledglings how to fly and forage for prey, performing amazing acrobatic manoeuvres over the treetops along the rivers.
This is necessary because they must return to New Guinea and adjacent islands where they spend...