Breeding
Apostlebirds form a 'breeding unit' of around ten related birds - a dominant male and several females plus immature birds (the previous season's young) that act as helpers. The nest is a large mud bowl, placed on a horizontal branch 3 - 20 m high, and reinforced and lined with grass. All members of a group assist with nest building, as well as feeding of nestlings, while only the adults usually incubate the eggs. More than one female may lay eggs in the same nest. While many eggs