The reason why Brother does not hatch eggs

Brother Ji may not hatch eggs because the eggs are moved, or have other scent.It is generally on the nest on the trees. Usually two to three pairs will be selected on the same tree. They will build the nest in the tree hole, and some will also use the old nest.Snake skin and so on.After the nest is built, the female bird will lay eggs. Each nest will produce 2-3 pieces, and the eggs are blue-green, but there are usually dark maroon or reddish spots on the surface.