Southern Pacific rattlesnake.  The southern Pacific rattlesnake is common in southern California from the coast through the desert foothills to elevations of 10,000 feet.  It reaches 4-5 feet (1.5m) in length, Crotalus viridis helleri
{"Image ImageDescription": "Southern Pacific rattlesnake.  The southern Pacific rattlesnake is common in southern California from the coast through the desert foothills to elevations of 10,000 feet.  It reaches 4-5 feet (1.5m) in length.", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom Classic 9.2 (Macintosh)", "Image DateTime": "2020:02:22 14:00:37", "Image ExifOffset": "394", "EXIF ExifVersion": "0231", "EXIF DateTimeOriginal": "2005:05:10 09:09:11", "EXIF DateTimeDigitized": "2005:05:10 09:09:11", "EXIF OffsetTime": "-08:00", "EXIF ColorSpace": "sRGB"}