Beavers have the largest effects on ecosystems of any non-human. Here a small stream running through a forest has been transformed into a pond.
The camera recorded the following information in the original image file:
Nikon D2X
2006/10/07 15:53:22.4
Color
Data Format: RAW (12-bit)
Compression: None
Image Size: Large (4288 x 2848)
Lens: 28-70mm F/2.8 D
Focal Length: 52mm
Exposure Mode: Manual
Metering Mode: Spot
1/125 sec - F/4.5
Exposure Comp.: 0 EV
Flash Sync Mode: Not Attached
Sensitivity: ISO 100
Color Mode: Mode II (Adobe RGB)
Hue Adjustment: 0
Gerald & Irmgard Carter
White Balance: Direct Sunlight
AF Mode: AF-C
Tone Comp: Less Contrast
Saturation: Normal
Sharpening: None
Long Exposure NR: Off
High ISO NR: Off