Just to be clear, I am not an expert on either feathered or fuzzy things. Still, I would like to think I’ve learned some things from personal experience. For now, my “lessons learned” focus will be on predator protection. My personal predator rule is: I don’t get to choose who lives. I will learn the lessons predators teach me with my specific houses/platforms — and I will try to devise an improved means to protect these without doing harm — even to the predators. Two more things I would add:
- After an attack, the bird parents move on so much better than we humans do. I have witnessed a female Phoebe zip up to check on her nestlings first thing in the morning — only to find an empty nest. I felt so sorry her! She, on the other hand, all but shrugged and produced another brood. I’m still working on that shrugging thing.
- The video about the Yellowstone Park wolf-reintroduction program forever changed my view on predation. While I prefer not to witness nature being harsh, it is easier now to put my trust His design. Click here for a link to the wolf-reintroduction video by Sustainable Human.
Predators
#1 Lesson Learned is: Don’t attach a birdhouse to a tree as it can’t be protected from the exceptional hunting and climbing skills of the rat snake (or many 4-legged predators who climb trees). I have personally witnessed a pair of rat snakes climbing straight up a 14′ brick wall to reach a nest of Eastern Phoebes. Fortunately, I had a group of people here for the night … so we used a water hose to chase the snakes off the wall … then took turns keeping vigil through the night. The next morning we covered all surrounding brick walls with plastic sheeting. All nestlings became fledglings. As I think about it now, I don’t think those houseguests have been back, though.
#2 Lesson Learned is: We’ve been told to place bird houses within reach (25′-50′) of a tree/shrub to provide a landing place for fledglings. I’d like to add to that. Houses should also be 10+ feet from a limb that could be used by a predator to gain access to the house … and should not be placed under a limb as some predators will “fall” onto a house. I don’t know how far a predator is willing to fall. I suppose it depends on how hungry it is.
#3 Lesson Learned is: Commercial snake baffles (essentially upside-down cans mounted to a pole) often have a gap at the top which can let a predator through. Reduce the size of the baffle’s mounting gap to a sliver — whether by duct tape or other means. I think the purpose of the gap might be for potential predators to see daylight, drawing them up the pole inside the baffle — baffled (pun intended) by their dead-end situation, they retreat back down the pole. I have been told that small snakes and even chipmunks can navigate the “commercial gap”.
#4 Lesson Learned is: Flying Squirrels are smarter than me. They can be predators of nestlings, especially in the spring when Flying Squirrels are nursing their own young and require protein. I will share with you my efforts to thwart their entrance into bird houses in future posts. My current design looks evil, isn’t evil, and may be working. Meanwhile, I feed the Flyers (as I call them). I put out a cup of black oil seed, mounted to a tree, just before dark (so as not to feed the gray squirrels). The Flyers are in that cup every night! Does it help? So far so good.