Birds of Australia: Bonding rituals in mating pairs
In many bird species the nest duties are shared between female and male. However, in others one partner in a mated pair, usually the female, performs most, if not all, nest duties, i.e. after laying the eggs the female incubates them and then feeds the young in the nest until they fledge. Birds spending all their time in the nest, tending to the eggs and later the chicks, do not have sufficient time to find food for themselves. If they leave the nest too often or for too long, the brood will fail. They rely entirely on their partner to keep them fed. To optimize their chances of success, females that are entirely dependent on their partners will test the males' ability and willingness to provide them with food. They will use the begging calls usually made by dependent young to make him give up food. This behaviour can usually be seen in the middle of winter, at the start of the new breeding season. Thus forging a bond, a pair will then mate, build and later move into the nest, and thus start the reproductive cycle.
Amongst Australian bird species such behaviour is displayed most prominently by hollow-nesting species, such as all parrots and cockatoos, but also - to a lesser degree - by some species of raptors and other predatory birds, such as e.g. owls, kingfishers as well as Australian Magpies and butcherbirds.
Below we show the species in which we have observed and also photographed such behaviour. This list is not complete! More species will be added here as photos become available.
Hover your cursor above the thumbnail to see the name of the species.
Click on thumbnail image to go to the page describing the species.