David Pattyn / Gadwall (Anas strepera) male. The Netherlands. April

Juergen Freund / Australian Magpie (Cracticus tibicen) at the Devil's Marbles, Northern Territory, Australia.

Martin Willis / Pied Butcherbird (Cracticus nigrogularis) calling, Wyndham, Kimberley, Western Australia, Australia

Brent Stephenson / Recently fledged juvenile Australasian magpie (Gymnorhina tibicen) standing alert. Westshore Lagoon, Hawkes Bay, New Zealand, September.

Brent Stephenson / Adult female Australian magpie (Gymnorhina tibicen) perched on the top of a post. St Anne's Lagoon, Canterbury, New Zealand, July.

David Tipling / Pied Currawong (Strepera graculina) portrait, Queensland, Australia.

David Tipling / Australian Magpie (Gymnorhina tibicen) in flight, Queensland, Australia.

Dave Watts / Tasmanian Magpie (Gymnorhina tibicen) profile, Tasmania, Australia.

Dave Watts / Tasmanian Magpie (Gymnorhina tibicen) singing, Tasmania, Australia.

David Tipling / Australian Magpie (Gymnorhina tibicen) in flight, Queensland, Australia

Dave Watts / Pied currawong (Strepera graculina) perched, Lamington National Park, Queensland, Australia, October

Marie Read / Australian Magpie (Gymnorhina tibicen) perched on branch, Roma, Queensland, Australia, November.