Canon 7D Mark II, Tamron 150-600mm, 428mm, ISO 1600, 1/3200 at f/10, Tripod, fixed focus, remote shutter release. Not so much meant as a serious image, but more out of my curiosity as I watch these little "bullets" in the sky swoop around gathering insects and then literally shoot straight down into my neighbors chimney. It happens so fast that it "appears" that the little birds dive in head first when you are watching them so I set up the camera and held onto the remote release and when I saw them starting to approach the house I would just depress and hold the release until I saw the bird drop into the chimney. Since the 7D shoots up to 10 fps this Triptych would represent .3 seconds! So I concluded from this shot that they are actually using their wings to break their decent which means they are flying even faster upon their approach! Edit: Title should be Chimney Swifts, not Swallows!
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