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OR-7

OR-7 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand OR-7 rather than just read about it. In short: OR-7, also known as Journey, was a male gray wolf that was electronically tracked as he migrated from the Wallowa Mountains in the northeastern corner of the U.S. state of Oregon to the southern Cascade Range. After the wolf dispersed from his natal pack in 2011, he wandered generally southwest for more than 1,000 miles (1,600 km) through Oregon and northern California.

OR-7 — main illustration
OR-7 — illustration

Key takeaways

  • OR-7 belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect OR-7 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of OR-7 from memory before moving on to harder problems.

Reference excerpt

OR-7, also known as Journey, was a male gray wolf that was electronically tracked as he migrated from the Wallowa Mountains in the northeastern corner of the U.S. state of Oregon to the southern Cascade Range. After the wolf dispersed from his natal pack in 2011, he wandered generally southwest for more than 1,000 miles (1,600 km) through Oregon and northern California. He was the first confirmed wild wolf in western Oregon since 1947 and the first in California since 1924. By 2014, OR-7 had settled in the Rogue River watershed in the southern Cascade Range east of Medford, Oregon, with a mate. It is not known when the two wolves met, but DNA tests of fecal samples showed that she is related to wolves in two of the eight packs in northeastern Oregon. In early 2015, officials designated the two adult wolves and their offspring as the Rogue Pack, the first wolf pack in western Oregon and the state's ninth overall since wolves returned to Oregon from Idaho in the 1990s. The batteries in OR-7's tracking collar expired in October 2015, and monitoring the pack since then has depended on trail cameras and live sightings. Meanwhile, other wolves have migrated into the mountainous cross-border region, and relatives of OR–7 have formed two packs in northern California. OR-7 was not observed at the 2020 winter count of wolves in Oregon, and as of April 2020 is presumed to have died.

Background Wolves in the United States were protected under the federal Endangered Species Act in 1978 as they were in danger of going extinct and needed protection to aid their recovery. Wolves were reintroduced to Idaho and expanded their range into the northern Rocky Mountains and Pacific Northwest. When wolves began swimming the Snake River from Idaho to Oregon in the 1990s, the Oregon Department of Fish and Wildlife (ODFW) started live-trapping the growing wolf population in Oregon and fitting them with GPS tracking collars that provide daily satellite position reports. State biologists gave a sequential designation to each wolf with a collar. The vast majority remain clustered in their historic range in the northeast corner of the state, where the forests between the high mountains and populated areas are full of elk and deer. In 2010, state biologists noticed wolves in the Cascade Range but were unable to determine if they were single dispersing animals wandering through or were starting to occupy the area. Individual wolves will roam, searching for a mate and new territory. In February 2011, the Oregon Department of Fish and Wildlife attached radio collars to several wolves in the Imnaha Pack in northeastern Oregon to allow study of their migration. The pack was Oregon's first since wolves returned to the state. The wolves were numbered; one of them, a year-old male from the pack's second litter, was given the code OR-7 as the seventh wolf to be collared.

Migration

As is common for non-dominant wolf males, OR-7 left the Imnaha Pack in the Wallowa Mountains near Joseph in September 2011, presumably in search of a mate. In November, he became the first wolf detected in western Oregon in more than 60 years when he was photographed east of Butte Falls by an automatic trail camera. This marked the first known wild wolf presence in southwestern Oregon since 1946. The wolf crossed the border into northern California in late December, becoming the first documented wolf in the state since 1924. OR-7 remained in California, trekking through Siskiyou, Shasta and Lassen counties until heading north to Klamath County, Oregon, in March 2012. OR-7 soon made his way to Jackson County. By then the wolf had traveled more than 1,000 miles (1,600 km). OR-7 returned to California, spending the summer in the Plumas National Forest south of Mount Lassen, and as of December 2012 had migrated to near Lake Almanor. He returned to Oregon in March 2013. OR-7's migration captured the attention of viewers around the world after the story "went viral" in early December 2011. In 2012, OR-7 was named "Journey" through an art and naming competition for children sponsored by the non-profit group Oregon Wild. The conservation group acknowledged that the naming contest "was part of an effort to make the wolf too famous to kill". Steve Pedery, conservation director of Oregon Wild, said of the wolf: "Journey is the most famous wolf in the world. It is not surprising that the paparazzi finally caught up with him."

Pack formation

… excerpt ends here. Continue reading the full article.

Illustrations

OR-7 illustration
OR-7: Approximate route of OR-7 between September 2011 and March 2012
Approximate route of OR-7 between September 2011 and March 2012
OR-7: Two wolf pups of about 6-weeks of age in Southern Oregon. OR-7 is the father, and a wolf from the Minam and Snake River packs is the mother.[13]
Two wolf pups of about 6-weeks of age in Southern Oregon. OR-7 is the father, and a wolf from the Minam and Snake River packs is the mother.[13]
OR-7: A pup from the Lassen Pack
A pup from the Lassen Pack

Worked examples

Example 1 — a first encounter with OR-7

Start with the simplest possible case. Write down what OR-7 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to OR-7 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about OR-7 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of OR-7

In research
OR-7 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses OR-7 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
OR-7 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2009 animal births, Individual animals in Oregon, Individual wild animals, so understanding it makes those chapters shorter.
In everyday life
Look for OR-7 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study OR-7 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what OR-7 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain OR-7 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is OR-7 in simple terms?

OR-7, also known as Journey, was a male gray wolf that was electronically tracked as he migrated from the Wallowa Mountains in the northeastern corner of the U.S. state of Oregon to the southern Cascade Range. After the wolf dispersed from his natal pack in 2011, he wandered generally southwest for…

Why does OR-7 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study OR-7?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on OR-7.

Tags

  • 2009 animal births
  • Individual animals in Oregon
  • Individual wild animals
  • Individual wolves
  • Natural history of California
  • Natural history of Oregon
  • Wolves in the United States

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