The last couple years we have had a lot of nighthawks around our yard. They are a pretty cool bird (for a bird). Normaly I dont really like birds, especially ones that make noise, but these nighthawks are different. They do have a squeaking noise they make, but even cooler is the nooise thier wings make as they are flying. It took me a long time to figure out thats what was making the noise, but I finally figured it out and it is kinda a deep wooo noise.
The other cool thing about them is that they almost blend into the fence when sitting on it. Our yard fence is too new and green to match them yet, but after it weathers it is almost impossible to tell them apart.
I also have this other bird that was sitting on the fence as I was taking the nighthawk and its almost the same from the front, but not the same body shape at all.