Update: The mourning dove chicks are ginormous, and the robin chicks are even larger. 2 chicks in each nest. Well, actually, the correct term would be fledglings. They look like their ready to leave the nest. However, the mourning doves have launched attacks against the robins several times...
So, a while ago I noticed that a Mourning Dove was nesting on one of our porch pillars (pics included). We assume that they have been nesting here every year since they did not build the nest (it was already there in the first place), but we are not sure since we have just moved into our house a...