Video: The House Wren has been diligently constructing the nest,

and I am so intrigued by witnessing the whole process. He builds something like a little fortress, with ladders going all the way down to the nest. Here, you can see him adding spider egg sacs. There are several theories about why they do it, one is that the spiders will help with mite control, another that they are purely ornamental. I have decided to call him Sir Corleone because "Lion Heart", "cor leonis" is one of the names that has been attributed to these fierce tiny birds in the past. He is a strong singer, and I am excited to see if he can attract a female.