Once nest building had begun, the male
fiercely guarded against further attempts by other birds to come
near the nest box. The female did the lion's share of nest building
which took about eight days to complete. For the next three weeks, she sat
on the nest while he hunted for insects. At last the four blue eggs
hatched, and the real work for the pair began: feeding those hungry little
Bluebird babies. Both parents contributed to the effort. Each day
they began early gathering insects, grubs, and bringing them back to the
always noisy and hungry young ones. Very little food was consumed by
the parents, as nestlings need a tremendous amount of nourishment for growth.
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