Black and White Canadian Geese in flight

Exposure Date: 2015:08:28 09:57:40;
Make: NIKON CORPORATION;
Model: NIKON D7100;
ExposureTime: 1/2500 s;
FNumber: f/8;
ISOSpeedRatings: 100;
ExposureProgram: Aperture priority;
ExposureBiasValue: 0/6;
MeteringMode: Spot;
Flash: Flash did not fire, compulsory flash mode;
FocalLength: 420 mm;
FocalLengthIn35mmFilm: 630 mm;
Software: Adobe Photoshop CC 2014 (Windows);