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Texas · Nonprofit

BIG BEND NATURAL HISTORY ASSOCIATION INC

BIG BEND NATURAL HISTORY ASSOCIATION INC (Texas) receives grants from 4 organizations whose IRS filings report $46,250 to it, the largest being THE OUTDOOR FOUNDATION ($24,000). 0 of them have funded it in more than one year.

Revenue FY2025
$1.0M
Funders on record
4
Grants received
$46k
Net assets
$1.7M
0/4 repeat funderspeak grant-dependency 5%
01What it does

What Big Bend Natural History Association Inc does

Mission

To enrich the visitor experience through education of the public and the preservation of big bend national park and the rio grande wild & scenic river.

As stated on its FY2025 Form 990.

Programs

  1. Books and natural history-related merchandise sales which provided guides, informational aids, and educational materials.

    $243,090 spent$929,930 earned by the program
    73% of program spending
  2. Provided interpretation support to the national park service, including preparation of programs and providing interpretive services, through the use of paid personnel and equipment.

    $89,607 spentof which $28,769 as grants
    27% of program spending
  3. Maintenance of park membership program, which provided subscribers with park activities updates, seminars, and other features. Member newsletters provide park rangers and other park personnel a media to publish information about park safety and conservational use of park facilities and natural areas.

    $749 spent$625 earned by the program
    0% of program spending

The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $333,446.

02The organization over time

The organization over time

Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended.

100 = 20172017 Revenue 100 ($464k) Expenses 100 ($380k) Net assets 100 ($777k)2018 Revenue 102 ($474k) Expenses 88 ($333k) Net assets 118 ($917k)2019 Revenue 99 ($462k) Expenses 99 ($375k) Net assets 129 ($1.0M)2020 Revenue 80 ($369k) Expenses 100 ($379k) Net assets 128 ($993k)2021 Revenue 108 ($502k) Expenses 104 ($395k) Net assets 142 ($1.1M)2022 Revenue 135 ($626k) Expenses 199 ($759k) Net assets 125 ($968k)2023 Revenue 140 ($652k) Expenses 139 ($528k) Net assets 141 ($1.1M)2024 Revenue 152 ($703k) Expenses 142 ($542k) Net assets 161 ($1.3M)2025 Revenue 222 ($1.0M) Expenses 146 ($555k) Net assets 223 ($1.7M)
'17'18'19'20'21'22'23'24'25
Revenue (222)Expenses (146)Net assets (223)

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2024 to 2025, from $1.3M to $1.8M (+39%).

$792k
$944k
$1.0M
$1.1M
$1.2M
$1.0M
$1.2M
$1.3M
$1.8M
'17'18'19'20'21'22'23'24'25
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2017
2018
2019
2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

Government-grant reliance: 2017 7% · 2018 7% · 2019 6% · 2020 7% · 2021 14% · 2022 10%. Grants only. Government contracts and fees sit inside program revenue.

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 9 reported years ran a deficit.

$84k
’17
$141k
’18
$86k
’19
−$10k
’20
$107k
’21
−$133k
’22
$124k
’23
$161k
’24
$477k
’25
26
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

Board chair

Jim Bishop

Chairman

As listed on its FY2025 Form 990.

The chief executive listed changed between the FY2019 and FY2020 filings.

'17'18'19'20'21'22'23'24'25
Listed87888812108
Joined·+0+1+1+0+1+4+0+0
No longer listed·10101022
03Who funds it

Who funds it, year by year

2018 → 2022: the base held at 1 funder, grant income fell $24k → $20k.

Funder
'18
'20
'22
'25*
total
$24k
$20k
funders
1
1
1
1

From the IRS filings of BIG BEND NATURAL HISTORY ASSOCIATION INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How concentrated its funding is

BIG BEND NATURAL HISTORY ASSOCIATION INC leans on a few funders — its largest provides 52% of grant income and the top three 99%; half comes from just 1 funder.

the vertical line marks half of all grant income — 1 funder to its left

95% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund BIG BEND NATURAL HISTORY ASSOCIATION INC.

52%
largest funder
99%
top three
~2
effective funders

Largest funder’s share by year: 2018 100% · 2020 100% · 2022 100% — broadly stable.

“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

Where its funders are

BIG BEND NATURAL HISTORY ASSOCIATION INC draws 96% of its grant income from funders outside Texas, across 4 states in all.

NY
CO
DC
TX

In-state vs out-of-state, by year

’18
’20
’22
Texas out of state home

Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Organizations like BIG BEND NATURAL HISTORY ASSOCIATION INC

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Texas

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

60% of spending goes to programs.

Program 60%Management 40%Fundraising 0%

Governance

7
board members
100%
independent
✓Conflict-of-interest policy–Whistleblower policy–Document retention✓Board reviewed the 990✓Audited financials

Public support

99%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Screen this organization

A dated, signed PDF of the compliance screen for BIG BEND NATURAL HISTORY ASSOCIATION INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

A paid feature, included from the $75 plan up. Sign in to download.

Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds BIG BEND NATURAL HISTORY ASSOCIATION INC?
BIG BEND NATURAL HISTORY ASSOCIATION INC (Texas) receives grants from 4 organizations whose IRS filings report $46,250 to it, the largest being THE OUTDOOR FOUNDATION ($24,000). 0 of them have funded it in more than one year.
How many funders does BIG BEND NATURAL HISTORY ASSOCIATION INC have?
IRS filings report 4 organizations giving $46,250 in grants to BIG BEND NATURAL HISTORY ASSOCIATION INC.
Who is the largest funder of BIG BEND NATURAL HISTORY ASSOCIATION INC?
THE OUTDOOR FOUNDATION is the largest funder on record, with $24,000 in grants. The full list of funders is on this page.
How can an organization like BIG BEND NATURAL HISTORY ASSOCIATION INC find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Texas. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 4 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 22, 2026. What this page cannot tell you · view filing