Martin Willis / Budgerigar (Melopsittacus undulatus) father with begging chick at nest cavity, Queensland, Australia

Roland Seitre / Budgerigar (Melopsittacus undulatus) flock drinking and bathing in water, Wannoo, Billabong Roadhouse, Western Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) flock in flight from grasses, ?Arubiddy, Nullarbor, Western Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) massive flock on small trees in desert, Murchinson Shire, Western Australia. January.

Juergen Freund / Flock of Budgerigars (Melopsittacus undulatus ) drinking in an outback dam, Northern Territory, Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) flock flying, Western Australia, Australia

Roland Seitre / Brown Goshawk (Accipiter fasciatus) and Budgerigar (Melopsittacus undulatus) flock, Wannoo, Western Australia, Australia

Juergen & Christine Sohns / Budgerigar (Melopsittacus undulatus) pair billing, native to Australia

Juergen & Christine Sohns / Budgerigar (Melopsittacus undulatus) pair, native to Australia

Juergen & Christine Sohns / Budgerigar (Melopsittacus undulatus) males, Germany

Juergen & Christine Sohns / Budgerigar (Melopsittacus undulatus) pair greeting, Germany

Juergen & Christine Sohns / Budgerigar (Melopsittacus undulatus) male, Germany