The world's largest bird's nest building: The proposed building bird's nest has 100 compartments
As we all know, swallows work very hard when building their nests, and their nests must be built with two materials, that is, mud and branches, and it is not easy to get these things into the nest and then mix them together. So do you know what bird built the largest nest in the world? In the sub-semi-arid plains of South Africa and Namibia, the sparrow-like looking, hard beak mimic bird, built the world's largest nest building.