Yellowstone Wolves: The Years
Who is who in wolfdom
Free · In‑App Purchases
Yellowstone Wolves: The Years links with Yellowstone SPOTR. See what Pullouts a Pack might be seen from & what Packs might be seen from a Pullout.
Yellowstone Wolves: The Years provides up to 8 years of annual snapshot data of Wolves, Packs & Territories. It is a free app that contains the 2019 data. In-App Purchases (IAPs) let you get the data for 2020 thru 2026. With this additional data, you get functions not available with 2019, such as interfacing with Yellowstone SPOTR to relate Packs & Pullouts.
2026 continues the reintroduction of wolves to Yellowstone NP, which began in 1995. This app provides you the latest 8 years data.
You can choose among the following functions for the 2019 data:
- Map - locations of the Packs, which you can select on the map
- Details - main information for selected Pack & Wolves is shown first
Additional specifics can be shown by touching one of the icons at the top right of the screen:
• Wolf Statistics
• Search Results Totals, including the Search Criteria that produced the selection
• Pack Summary & Legend
Touch the Details icon at the bottom of the screen to see information for all Packs
- Search - criteria to select a specific set of Packs & Wolves in the Details screen
For example, you could search for all collared Wolves or all Wolves with a specific coat color
- Graph - for the years you have, you can graph statistics to compare Packs, look for trends, etc.
- About - explanations, descriptions, legends & contact information
Find out how to be a part of the wolf restoration managed by the Yellowstone Wolf Project.
You can purchase additional years by using the Catalog and then use the Year Choice function to select which year to view. All of the functions listed above are available for these years. You can also interface with Yellowstone SPOTR to see Pullouts where the Pack might be seen.
In addition, Yellowstone SPOTR provides a function in the details for a Pullout. You can choose to show which Packs might be seen from that Pullout.
After installation & purchase of IAP Products, Wi-Fi access is not needed to use the app.
Update for 2026 Annual Wolf Chart
Minor corrections
The developer, A Naturalist's World, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- A Naturalists World, LTD
- Size
- 98 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- 2026 Annual Chart Data $4.99
- 2025 Annual Chart Data $4.99
- 2024 Annual Chart Data $4.99
- 2023 Annual Chart Data $4.99
- 2022 Annual Chart Data $4.99
- 2021 Annual Chart Data $4.99
- 2020 Annual Chart Data $4.99
- Copyright
- © 2026 Jim Halfpenny and Diann Thompson