The “sulphur” in their name refers to the bright yellow plumage on their crest and feathers

As part of the parrot family, sulphur crested cockatoos have the same defining features – a long curved beak, strong legs and zygodactyl feet, which means they have two toes facing forwards and two facing backwards. This allows them to climb exceptionally …

Red-tailed black cockatoo

Males and female red-tailed black cockatoos can be distinguished by the splashes of colour on their tail feathers – red panels in males, and yellow-orange bars in females. These cockatoos have zygodactyl feet, two toes facing forward and two backwards, …