File:Grand Canyon National Park bison corralling pilot program 9292 - 48762165002.jpg
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[edit]DescriptionGrand Canyon National Park bison corralling pilot program 9292 - 48762165002.jpg |
English: Grand Canyon, AZ September 19, 2019 - National Park Service staff closed the doors on livestock trailers yesterday, securing 31 bison inside to transfer them to the InterTribal Buffalo Council who will take them on the journey to join their new herd with the Quapaw tribe in Oklahoma.
The transfer of the bison concluded the Grand Canyon National Park's pilot program for corralling and relocating bison from the North Rim. "It's an historic moment. These are the first bison ever captured and permanently removed from Grand Canyon," said Grand Canyon National Park Bison Project Manager Miranda Terwilliger. Leading up to the corralling operations, a corral was regularly supplied with food and water to encourage bison to enter freely and increase their exposure to humans. "It's a passive process. You want to work as quietly and calmly around the bison to keep their stress levels down because they have very little interactions with humans," said Chris Clark, the South Rim lead mule packer who served as the corral boss." After a large group of bison entered the corral, during the operation period, staff closed the corral gates and began processing them in preparation for shipment. The processing included separating and releasing bison that were too young or too large or old to make the trip. They were guided into a squeeze chute, where the scientists took blood and genetic samples and tagged them per U.S. Department of Agriculture shipping regulations. "We had an amazing team who worked really well together," said Terwilliger. "We did a lot of mock runs and training in advance with other parks and agencies." Biologists from the Kaibab National Forest, Yellowstone National Park, Badlands National Park, the U.S. Geological Survey, and the InterTribal Buffalo Council assisted. Also present was a National Park Service veterinarian to oversee the well-being of the bison. Several additional animals were outfitted with tracking collars and released during the corralling process. The collaring was conducted with the assistance of U.S. Geological Survey scientists for park wildlife biologists to study the bison migratory patterns and population size. The goal of the pilot program was to capture and relocate up to 100 bison. The pilot program was conducted this year due to the bison migrating to a warmer location on the North Rim from early snowfall last year. There's approximately 600 bison on the North Rim, and Grand Canyon National Park is reducing the size to under 200 over the next three to five years to protect park resources from the impacts of the bison population. img alt="Looking down on 7 bison inside a corral with a large bale of hay in the center." NPS Photo/Bryan Maul www.nps.gov/grca/learn/news/31-bison-from-the-north-rim-a... |
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Source | https://www.flickr.com/photos/50693818@N08/48762165002/ |
Author | Grand Canyon NPS |
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This image was originally posted to Flickr by Grand Canyon NPS at https://flickr.com/photos/50693818@N08/48762165002. It was reviewed on 6 April 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
6 April 2020
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. | ![]() |
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current | 03:16, 6 April 2020 | ![]() | 5,184 × 3,018 (8.15 MB) | Killarnee (talk | contribs) | Uploaded a work by Grand Canyon NPS from https://www.flickr.com/photos/50693818@N08/48762165002/ with UploadWizard |
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Metadata
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Camera manufacturer | Canon |
Camera model | Canon EOS 60D |
Author | NPS/Bryan Maul |
Exposure time | 1/160 sec (0.00625) |
F-number | f/9 |
ISO speed rating | 100 |
Date and time of data generation | 09:21, 15 September 2019 |
Lens focal length | 24 mm |
Short title |
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Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CC 2019 (Windows) |
File change date and time | 16:30, 19 September 2019 |
Exposure Program | Not defined |
Exif version | 2.3 |
Date and time of digitizing | 09:21, 15 September 2019 |
APEX shutter speed | 7.321928 |
APEX aperture | 6.33985 |
APEX exposure bias | 0 |
Maximum land aperture | 3.875 APEX (f/3.83) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 89 |
DateTimeOriginal subseconds | 89 |
DateTimeDigitized subseconds | 89 |
Color space | Uncalibrated |
Focal plane X resolution | 5,728.1767955801 |
Focal plane Y resolution | 5,808.4033613445 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Serial number of camera | 1270611980 |
Lens used | EF-S18-135mm f/3.5-5.6 IS |
Rating (out of 5) | 0 |
Date metadata was last modified | 09:30, 19 September 2019 |
Unique ID of original document | 95FC488C468C73D68209050B3B0EB3A3 |
Copyright status | Copyright status not set |
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