Company lists · Data refreshed September 2026
Top 25 Migratory bird protection organizations worldwide
RevenueBase identified 288 migratory bird protection organizations worldwide as of September 2026 and tracks 4,795 professional contacts across them, including 1,758 with verified work emails. The United States is the largest market and Oak Harbor the largest hub.
This list covers migratory bird protection organizations worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for migratory bird protection organizations follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest migratory bird protection organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 900 contacts → | ||||
Partial evidence “The National Audubon Society protects birds and the places they need, today and tomorrow, throughout the Americas using science, advocacy, education, and on-the-ground…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 330 contacts → | ||||
Partial evidence “We’re BirdLife International, the only global Partnership conserving birds and all life on our planet.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 162 contacts → | ||||
Indirect evidence “Vogelbescherming Nederland komt op voor in het wild levende vogels en hun leefgebieden.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 160 contacts → | ||||
Partial evidence “Point Blue Conservation Science (Point Blue) is dedicated to conserving birds, other wildlife, and ecosystems through innovative scientific research, restoration, outreach and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 140 contacts → | ||||
Partial evidence “BirdLife Australia is Australia’s largest bird conservation organisation and is dedicated to stopping bird extinctions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 120 contacts → | ||||
Partial evidence “American Bird Conservancy (ABC) takes bold action to conserve wild birds and their habitats throughout the Americas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 109 contacts → | ||||
Indirect evidence “SEO/BirdLife (Sociedad Española de Ornitología) está orientada a cumplir la función social que nos mueve desde 1954: estudiar y conservar las aves y la naturaleza y divulgar sus…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 104 contacts → | ||||
Partial evidence “Birds Canada is a national charitable organization dedicated to bird conservation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 101 contacts → | ||||
Indirect evidence “The Swiss Ornithological Institute in Sempach is a non-profit foundation supported by the public.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 98 contacts → | ||||
Partial evidence “Parque das Aves is the only institution in the world focused on the conservation of the beautiful and exuberant birds of the Atlantic Rainforest, offering an up-close, immersive…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 91 contacts → | ||||
Indirect evidence “Sovon Vogelonderzoek Nederland organiseert landelijke vogeltellingen en voert onderzoek uit ten behoeve van beheer, beleid en wetenschap.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 71 contacts → | ||||
Partial evidence “Manomet is a science-driven conservation organization with deep roots in bird banding.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 70 contacts → | ||||
Partial evidence “Connecting people, birds, and land Mission: conserving birds and their habitats through science, education, and land stewardship Bird Conservancy of the Rockies conserves birds…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 66 contacts → | ||||
Indirect evidence “Aves Argentinas es la organización nacional, miembro de BirdLife International, que con más de 100 años de trabajo junto a vos, protege las aves silvestres y la naturaleza de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 64 contacts → | ||||
Partial evidence “Environment for the Americas works to connect people to birds and nature through education, outreach, and research.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 62 contacts → | ||||
Indirect evidence “Somos uma associação sem fins lucrativos que trabalha pela defesa do nosso património natural, tendo como principal alvo as aves e os seus habitats.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 58 contacts → | ||||
Partial evidence “For over 50 years, The Peregrine Fund has worked to conserve birds of prey.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 45 contacts → | ||||
Partial evidence “The Connecticut Audubon Society conserves Connecticut’s environment through science-based education and advocacy focused on the state’s bird populations and habitats.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 44 contacts → | ||||
Partial evidence “The mission of the Audubon Society of Rhode Island is to protect birds, other wildlife, and their habitat through conservation, education, and advocacy for the benefit of people…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 43 contacts → | ||||
Partial evidence “BirdLife South Africa strives to conserve birds, their habitats and biodiversity through scientifically-based programmes, through supporting the sustainable and equitable use of…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 38 contacts → | ||||
Partial evidence “BirdLife Malta is a non-governmental organisation working to conserve birds and their habitats in the Maltese Islands.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 36 contacts → | ||||
Strong evidence “Bioseco developed the Bioseco Bird Protection System - highly innovative system that monitors and protects birds from colliding with wind turbines, Additionally we are working on…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 35 contacts → | ||||
Partial evidence “Together we defend our region's birds, unique biodiversity, and threatened habitats through advocacy, education, and restoration.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 30 contacts → | ||||
Partial evidence “The Wild Bird Trust is a Southern Africa–based conservation organisation working across Angola, Namibia, Botswana, and South Africa through a network of locally governed entities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 30 contacts → | ||||
Indirect evidence “DOF BirdLife er et fællesskab for fugleinteresserede, der udbreder kendskabet til vilde fugle og beskytter dem og deres levesteder i Danmark og internationalt.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: migratory bird protection organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names migratory bird protection organizations.
- Partial evidence
- Its own public description names part of migratory bird protection organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name migratory bird protection organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 288 migratory bird protection organizations worldwide
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Migratory bird protection organizations worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among migratory bird protection organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for migratory bird protection organizations are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “migratory bird protection organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names migratory bird protection organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among migratory bird protection organizations, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,758 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Migratory bird protection organizations by location
1 lists · largest firstEvery Migratory bird protection organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names migratory bird protection organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many migratory bird protection organizations are there worldwide?
RevenueBase identified 288 migratory bird protection organizations worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
National Audubon Society, headquartered in New York, tops this list with the largest team on record.
Which country has the most migratory bird protection organizations?
The United States leads with 145 companies. Every migratory bird protection organizations list by country and city is linked on this page.
Which city has the most migratory bird protection organizations?
Oak Harbor leads with 3 headquartered companies, followed by Washington (3) and Boise (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,758 verified decision-maker contacts tracked across these 288 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.