1.   The mother bird will feed her chicks until they are able to fly.

2.   While the eggs are hatching the mother bird stays close to the nest.

3.   Deanna notes that the mother bird who nests in the rafters of her cabin stays away all night if she is scared off in the evening.

4.   So the conventional explanation for what had happened would be that the mother bird was merely defending its nest.

5.   Although the mother bird can coo, this is no guarantee that its offspring will also have this quality.