Do Acacia bird need nest?

The acacia bird does not need a nest if it does not reproduce.The nest of this bird is generally under the woods, or in the shrub, a certain height from the ground, but usually not more than 1.5 meters.Its nest is cup -shaped, with many materials, such as moss, grass leaves, bark, grassroots, etc., there will be some soft things on it.The diameter of the nest can reach 12 cm and the height is about 6-8 cm.