It has an extremely loud and distinctive "haa-haa-haa-de-dah" call—hence the onomatopoetic name. The call is often heard when the birds are flying or are startled, or when the birds communicate socially, for example early in the morning in residential suburbs.
The bird's loud, distinctive call is often described as a "haa-haa-haa-de-dah" sound, hence its onomatopoeic name. The call can be heard when the birds are flying or startled, or during social interactions, such as in the early morning hours of residential areas.