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Bell Museum of Natural History > Bell Museum: Owl and Songbirds by Tom Nelson

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About This Gigapan

Taken by
Tom Nelson Tom Nelson
Explore score
0.92 Gigapixels
Date added
Feb 09, 2011
Date taken
Feb 07, 2011

Canon PowerShot G10


Perched against the trunk of a spruce tree is a Great Grey owl (Strix nebulosa), seeking cover from smaller songbirds that have come to harass it. Come evening, any one of these little birds could become the owl's prey. During the day, however, the smaller birds are not in danger. This cooperative "mobbing" behavior, often involving many species, is a common response to owls and other predators. The mobbing birds may drive the owl from the area, but the behavior may also be a way for adult birds to teach their young to recognize predators.

A white-tailed deer fawn lies motionless, waiting for its mother to return. Its protective camouflage and lack of scent protect it from predators. Before the forests were logged, caribou were the most common deer species in Minnesota. As the pines were cut and aspen trees became more common, the deer moved north. They prefer to feed on white cedar saplings, changing the composition of northern forests.

The foreground of this diorama was constructed by John Jarosz and staff. The background painting is by Francis Lee Jaques (pronounced "JAY-kwees"). It was a gift by the Citizens Aid Society of Minneapolis in honor of George H. Christian.
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Stitcher Notes


GigaPan Stitch version 1.0.0804 (Macintosh)
Panorama size: 924 megapixels (45616 x 20268 pixels)
Input images: 108 (12 columns by 9 rows)
Field of view: 149.0 degrees wide by 66.2 degrees high (top=30.0, bottom=-36.2)
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot G10
Image size: 4416x3312 (14.6 megapixels)
Capture time: 2011-02-07 11:03:28 - 2011-02-07 11:26:59
Aperture: f/7.1 - f/8
Exposure time: 1.6
ISO: 80
Focal length (35mm equiv.): unknown
Digital zoom: off
White balance: Automatic
Exposure mode: Manual
Horizontal overlap: 23.1 to 56.0 percent
Vertical overlap: 24.6 to 55.8 percent
Computer stats: 8192 MB RAM, 4 CPUs
Total time 9:15 (5.1 seconds per picture)
Alignment: 1:40, Projection: 1:29, Blending: 6:06
(Preview finished in 5:00)

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