Assistance Listing 15.666
Endangered Species Conservation-Wolf Livestock Loss Compensation and Prevention
U.S. Fish and Wildlife Service · Department of the Interior
The verdict for a small nonprofit
Rarely funds nonprofits directly. 100% of awards go to governments and other applicants, so look for a subrecipient or partner role instead.
Based on 29 new awards in FY2023–25. The median award is $107,450. Expect about 81 days between posting and deadline.
- First-time winners
- 7%
- of new awards, last 3 FYs
- Nonprofit share
- 0%
- 4% higher ed · 91% gov't
- Under-$1M orgs
- n/a
- revenue join unavailable
- Median award
- $107K
- $83K – $168K middle half
- New awards, FY2025
- 8
- $900K committed to them
- Usually posts
- Jan
- irregular · 81-day window
Open right now under this program
1 opportunity · from Grants.gov, checked every 10 minutes
| Deadline | Opportunity | Expected awards |
|---|---|---|
| Jan 1572 days | F26AS00088 Endangered Species Conservation – Wolf Livestock Loss Compensation and PreventionF26AS00088 | — |
Who won in FY2025
Largest recipients by dollars. From USAspending.
| Recipient | Type | State | Awards | Awarded |
|---|---|---|---|---|
| Game and Fish, Arizona Dept of | Government | AZ | 8 | $901,956 |
| New Mexico State University | Government | NM | 5 | $992,803 |
| Game & Fish Commission Wyoming | Government | WY | 5 | $302,830 |
| Office of Species, Minerals, and Energy Coordination | Government | ID | 4 | $606,396 |
| Oregon Dept of Agriculture | Government | OR | 4 | $521,782 |
| Wisconsin Department of Natural Resources | Government | WI | 4 | $136,080 |
| Agriculture, Minnesota Department of | Government | MN | 3 | $221,143 |
| Livestock Loss Reduction & Mitigation Program | Government | MT | 3 | $126,380 |
| Colorado Department of Natural Resources | Government | CO | 3 | $81,890 |
| California Department of Fish & Wildlife | Government | CA | 2 | $59,759 |
New awards by fiscal year
Awards first made in each fiscal year; dollars are the total committed to that year's new awards over their life.
| FY | New awards | Committed | Median | Middle half |
|---|---|---|---|---|
| 2021 | 13 | $1.3M | $75K | $44K – $148K |
| 2022 | 4 | $152K | $36K | $29K – $45K |
| 2023 | 17 | $1.4M | $77K | $34K – $125K |
| 2024 | 4 | $307K | $70K | $54K – $93K |
| 2025 | 8 | $900K | $107K | $83K – $168K |
Past rounds
Every announcement under this listing that Grants.gov still lists. Use it to plan next year.
| Posted | Closed | Window | Announcement |
|---|---|---|---|
| 2026-10-21 | 2027-01-15 | 86 d | F26AS00088 · F26AS00088 Endangered Species Conservation – Wolf Livestock Loss Compensation and Prevention |
| 2025-01-21 | 2025-03-28 | 66 d | F25AS00226 · F25AS00226 Endangered Species Conservation - Wolf Livestock Loss Compensation and Prevention Grants |
| 2023-12-01 | 2024-03-01 | 91 d | F24AS00189 · F24AS00189 - Endangered Species Conservation - Wolf Livestock Loss Compensation and Prevention Grants |
| 2023-01-23 | 2023-04-14 | 81 d | F23AS00131 · F23AS00131 FY23 Endangered Species Conservation - Wolf Livestock Loss Compensation and Prevention Grants |
| 2022-06-06 | 2022-08-20 | 75 d | F22AS00281 · F22AS00281 FY22 Endangered Species Conservation - Wolf Livestock Loss Compensation and Prevention Grants |
| 2020-12-07 | 2021-03-05 | 88 d | F21AS00180 · Endangered Species Conservation - Wolf Livestock Loss Compensation and Prevention Grants |
| 2019-09-30 | 2019-12-31 | 92 d | F19AS00406 · Wolf Livestock Loss Demonstration Project |
| 2018-08-20 | 2018-10-19 | 60 d | F18AS00315 · Wolf Livestock Loss Demonstration Project |
| 2017-06-15 | 2017-08-31 | 77 d | F17AS00258 · Wolf Livestock Demonstration Project Grant Program (WLDPGP) |
| 2016-06-29 | 2016-08-31 | 63 d | F16AS00311 · Wolf Livestock Demonstration Project Grant Program (WLDPGP) |
| 2015-05-07 | 2015-07-15 | 69 d | F15AS00209 · Wolf Livestock Demonstration Project Grant Program (WLDPGP) |
| 2014-04-24 | 2014-06-13 | 50 d | F14AS00136 · Wolf-Livestock Demonstration Project Grant Program (WLDPGP) |
Common questions
How hard is it to win a grant under 15.666?
Rarely funds nonprofits directly. 100% of awards go to governments and other applicants, so look for a subrecipient or partner role instead. Based on 29 new awards in FY2023–25. The median award is $107,450. Expect about 81 days between posting and deadline.
How much does Endangered Species Conservation-Wolf Livestock Loss Compensation and Prevention award?
In FY2025 the median new award was $107K; the middle half ran from $83K to $168K. 8 new awards were made, with $900K committed to them.
When does 15.666 usually post?
Over the last several years, new rounds most often posted in Jan with about 81 days to apply. The most recent round posted Oct 21, 2026.
Who runs this program?
Department of the Interior (U.S. Fish and Wildlife Service). Assistance Listing 15.666 on SAM.gov describes the authorizing statute and standard terms.
Sources: USAspending FY2021–25 award archive (2026-10-06); Grants.gov Search2 (fetched 2026-10-28); IRS EO BMF (fetched 2026-10-28). Award counts are new awards by fiscal year of first action. Shares are computed from award counts, not dollars. Recipient type comes from the award record's business-type codes. Always confirm details in the official announcement.