Barry Callister is blissfully unaware. He is exploring the beautiful natural setting of the Royal Botanic Gardens in Cranbourne.

If you ask most Australians about the Sulphur-Crested Cockatoo, they will tell you "Awh, that's nothin' but a bloody loud, mangy pest!"

As I was standing there looking down at an enormous Hippopotamus flicking it's poo everywhere without a care in the world....

The Barry Callister Photography 2021 Bird Calendar is out now. Over the coming weeks, I am going to tell you the story behind each image...