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Message: <blockquote data-quote="HermitIbis" data-source="post: 3429681" data-attributes="member: 128291"><p>For larger birds, ducks and beyond, in most cases 1/1600 sec will be sufficient for sharp BIFs. For Swallows, Swifts or Terns 1/2000 sec or perhaps 1/2500 sec is necessary. The series above (Grey wagtails) was shot with 1/3200 sec. The smaller the birds, of the "fluttering" kind, the faster the shutter speed. For wagtails hunting flies over the water, even 1/3200 sec isn't enough to freeze the wings. As an example, I add a Sparrow sequence taken with 1/4000 sec and 30 fps. The wing isn't completely frozen.</p></blockquote><p></p>