caption: a black and white photo of an adult bison
exif: {"Image ImageWidth": "3613", "Image ImageLength": "1384", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image Make": "NIKON CORPORATION", "Image Model": "NIKON D800", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS6 (Macintosh)", "Image DateTime": "2014:02:17 10:44:22", "Image ExifOffset": "288", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1078", "Thumbnail JPEGInterchangeFormatLength": "7138", "EXIF ExposureTime": "1/1600", "EXIF FNumber": "9/2", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "400", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF ExifVersion": "", "EXIF DateTimeOriginal": "2012:09:05 10:08:01", "EXIF DateTimeDigitized": "2012:09:05 10:08:01", "EXIF ShutterSpeedValue": "665241/62500", "EXIF ApertureValue": "86797/20000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Spot", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "300", "EXIF SubSecTimeOriginal": "90", "EXIF SubSecTimeDigitized": "90", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1500", "EXIF ExifImageLength": "1000", "EXIF FocalPlaneXResolution": "1678051/8192", "EXIF FocalPlaneYResolution": "1678051/8192", "EXIF FocalPlaneResolutionUnit": "4", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "0", "EXIF SceneType": "0", "EXIF CVAPattern": "[0, 0, 0, 0, 0, 0, 0, 0]", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF FocalLengthIn35mmFilm": "300", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "Low gain up", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF SubjectDistanceRange": "0", "EXIF BodySerialNumber": "3009341", "EXIF LensSpecification": "[300, 300, 4, 4]", "EXIF LensModel": "300.0 mm f/4.0"}