Rob Drummond / White-breasted Woodswallow (Artamus leucorynchus) pair, Queensland, Australia

Simon Bennett / Dusky Wood Swallow (Artamus cyanopterus) group on branch, Australia

Jan Wegener / White-browed Woodswallow (Artamus superciliosus) male and female, Victoria, Australia

Rob Drummond / White-browed Woodswallow (Artamus superciliosus), Victoria, Australia

Rob Drummond / Black-faced Woodswallow (Artamus cinereus), Queensland, Australia

Jan Wegener / Dusky Wood Swallow (Artamus cyanopterus) juvenile, Perth, Australia

Roland Seitre / White-breasted wood swallows (Artamus leucorhynchus) perched together, Lifou, Loyalty Islands Province, New Caledonia

Roland Seitre / White-breasted wood swallows (Artamus leucorhynchus) perched in a line, Oro, Ile des Pins / Isle of Pine, South Province, New Caledonia.

Martin Willis / White-browed Woodswallow (Artamus superciliosus) and Masked Woodswallow (Artamus personatus) groups gather in dead tree, Bourke, New South Wales, Australia

Martin Willis / White-browed Woodswallow (Artamus superciliosus) female at nest in hollow stump, Bourke, New South Wales, Australia

Martin Willis / White-browed Woodswallow (Artamus superciliosus) male at nest in hollow stump, Bourke, New South Wales, Australia

Martin Willis / White-breasted Woodswallow(Artamus leucorynchus) pair, Townsville, Queensland, Australia