Jan Wegener / Pied Currawong (Strepera graculina), New South Wales, 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

Martin Willis / Pied Currawong (Strepera graculina), Gluepot Reserve, South Australia, Australia

Martin Willis / Pied Currawong (Strepera graculina), Paluma Range National Park, Queensland, Australia

Martin Willis / Masked Woodswallow (Artamus personatus), Bourke, New South Wales, Australia

Martin Willis / Black-faced Woodswallow (Artamus cinereus), Townsville, Queensland, Australia

Steve Nicholls / Black currawong (Strepera fuliginosa) Tasmania, Australia, endemic, February