| deters.nl | Deters.nl | Patrick Deters offers a wide range of services including website building, photography (portrait and theatre photography, press photos), designing flyers and posters, and designing menus for DVDs. The website also provides information about Luid Kaag & Braassem, an annual New Year's Eve conference presented by the municipality of Kaag & Braassem, featuring Patrick Deters and his team. Finally, the website describes the activities of Stichting Kaag & Braassem Zoemt, focused on increasing biodiversity and awareness through education and activities. | Nature → Nature Organizations 104 Media → News & Journalism 10827 | podcast 3328 foundation 6678 photography 9503 design 27202 event 45199 | Kaag en Braassem → Oud Ade 46 |
| leidsebiologenclub.nl | Leidse Biologen Club | The club was founded in 1923 and has provided a place for students for over a hundred years to get to know each other, the city, and biology. Members receive discounts on textbooks and can participate in activities such as trips to nature areas and parties. The website provides information about the association, activities, membership, events, contact details, and an overview of the history. | Youth Development → Student Life 202 | biology 73 study 720 association 8562 membership 10442 | |
| csrgvera.nl | C.S.R.G. VERA EN SSR-REÜNISTENKRING GRONINGEN | The Reünistenkring Groningen is a continuation of the SSR-Reünistenkring and primarily focuses on former members of VERA. The website offers an agenda with dates, speakers, and topics of upcoming meetings and the convocations of recent meetings. Furthermore, the website contains a membership list and the history of VERA, including organized lectures since 1984. | | meeting 2381 agenda 4374 history 7286 association 8562 | Netherlands → Groningen 23734 |
| spirula.nl | Dutch Malacological Society | The website provides information about the activities of the NMV, including meetings, excursions, fairs, and publications. Various search cards are available for shells and mollusks, which can be ordered from the NMV. The website also includes information about the history, membership benefits, library, and contact details of the NMV. | Geology → Fossils 14 | shell 130 search 1027 collection 7566 | |
| freekvonk.nl | Stichting No Wildlife Crime | Prof. dr. Freek Vonk is a well-known Dutch biologist who is dedicated to making people aware of nature and animals. The website promotes a live show called 'Freek Vonk Live – King of the Animals' which takes place annually during the Christmas holidays in AFAS Live in Amsterdam. Podcasts, audio stories and other content are also offered under the titles 'Freek Vonk Bedtime Stories' and 'Wild by Freek'. | | biologist 10 show 1391 animal 2908 podcast 3328 shop 6483 foundation 6678 | North-Holland → Amsterdam 41253 |
| natuurlijkboeken.nl | Yorick Coolen Producties | Yorick Coolen, a biologist and ecologist with a minor in art history, publishes books and publications that include text and illustrations, working with various publishers. Yorick Coolen Producties produces a variety of products, such as calendars, coloring books, posters, podcasts, and games. The website offers a special edition of 'Natuurlijk Alkmaar en omgeving' for reservation, and features collaborations including a podcast series for Leiden in Klare Lijn and a series for HRLM. | Literature → Non-Fiction 519 | coloring book 16 publisher 757 calendar 1556 game 2807 podcast 3328 book 11396 | North-Holland → Haarlem 8674 |
| zoologicalmuseum.nl | Zoological Museum Netherlands | The museum focuses on animal research and conservation, with special attention to various biomes such as oceans, polar regions, freshwater areas, grasslands, deserts, forests, and mountain ranges. The website presents a ‘European Owl Special’ and other thematic previews, as well as an online biome about freshwater. The museum investigates how animals have adapted to diverse environments and offers information about the challenges and opportunities of life in these ecosystems. | Museums → Digital Museums 13 | animal 2908 collection 7566 research 8967 education 13471 | Ede → Otterlo 371 |
| nvht-lacerta.nl | NVHT Lacerta | The latest issue of the magazine, Year 82, number 5-6, was published on May 30, 2025, and includes articles about a herpetotrip to Suriname, a tour of Eastern Spain, and an update on Leopard Gecko care. The general assembly (ALV) of 2026 is scheduled for April 11, 2026, with further details and administrative documents to follow. The website mourns the passing of Rob Jansen, a former treasurer and honorary member, who made a significant contribution to the financial stability and success of the association, including organizing a jubilee exhibition at Blijdorp Zoo. | Neighborhood Organizations → Residents’ Associations 965 | general assembly 20 treasurer 39 magazine 2182 association 8562 | |
| reptielenopvang.nl | Reptielenopvang Zwanenburg | The refuge has a long history (since 1983) and is a well-known entity in the region. The website provides information on the refuge’s activities, including the number of animals admitted in 2024 and 2025, and the availability of animal care services (holiday care) in the Haarlem area. The refuge focuses on invasive turtles and actively works to reduce the sale of water turtles. It also provides links and contact details for other shelters and emergency services. | Animal Welfare → Animal Shelters 326 Animals → Reptiles 67 | holiday care 13 amphibians 17 turtle 18 reptiles 59 animal 2908 | Haarlemmermeer → Zwanenburg 295 |
| gifkikkers.nl | Dendrobatidae Nederland | The website offers information on the care and breeding of poison dart frogs. The association publishes a magazine (DN magazine) featuring articles on expeditions, new species, and other relevant topics. DN organizes regular meetings and events in various working groups, where experts and members share knowledge and experiences. | Zoology → Amphibians 11 | working group 134 magazine 2182 association 8562 event 45199 | The Hague → City Center 445 |
| teunklumpers.nl | Teun Klumpers | Teun Klumpers is a poet-biologist who focuses on documenting the ordinary, but extraordinary, in nature. The website contains poems, stories, drawings, paintings, and photo blogs that focus on observations of animals and plants, with a special focus on unusual phenomena. An article describes the Strandmus, a house sparrow that has adapted to life on the beach, and another article discusses the flowering of plants during the transition from May to June, including grasses and daisies. | Personal Expression → Personal Photography 61 | poetry 665 poem 1014 image 2605 nature 9094 | |
| reuzenslak.nl | reuzenslak.nl | Achatina fulicia, also known as the Giant African Snail, originates from East Africa and is considered a delicacy in Africa. In the United States, these snails are prohibited as pets due to their ability to cause damage in warm climates. In the Netherlands, the African giant snail is gaining popularity as a pet, provided the right conditions and food (primarily calcium) are provided. They are relatively easy to keep and require a minimum temperature of 22 degrees Celsius. The Giant African Snail can also be a plague for farmers in various parts of Africa and originates from East Africa. | Animals → Reptiles 67 | shell 130 temperature 395 | Amsterdam → East 1423 |
| nestwacht.nl | NestWacht | The project utilizes smart birdhouses equipped with sensors and a camera to collect data on juvenile birds. NestWacht invites individuals to participate in this research, which is beneficial for both the organization and the participants. The data collected through the nest boxes will provide a wealth of information about the development of birds in urban environments. | | birdhouse 86 data 5872 research 8967 | |
| xxldieren.nl | XXL Dieren | The site contains blogs and articles about the appearance, habits, and facts of different animal species. There is a special focus on mammals, with descriptions of specific animal species such as the Muizenjager Katinka and the Zwartoorpenseelaapje, as well as information about the cuckoo and the hawk. The website provides information for nature lovers, biology students, and anyone who wants to learn more about the diversity of the animal kingdom. | Nature → Zoology 180 | amphibians 17 mammal 33 reptiles 59 bird 922 fish 1121 animal 2908 | |
| biotanatura.nl | Biota Natura | The association was re-established in 2020 by students and is now expanded to a full board and membership list. Biota Natura organizes a mix of educational and social events, and the agenda shows the upcoming activities. The gallery on the website contains photos of activities, photo of the month and nature photos taken by the board, and members are encouraged to submit their photos. | Youth Development → Student Life 202 | biology 73 association 8562 member 10154 | |
| koudbloedigen-jelle-hofstra.nl | Koudbloedigen en Jelle Hofstra | Jelle Hofstra has more than sixty years of experience caring for cold-blooded animals, starting with an early fascination for amphibians and reptiles and a personal terrarium. The website contains travel reports from Lesbos, Crete, and Australia, as well as photos and topics such as the protection of amphibians, the biology of the ringsnake, and the care of various reptile and turtle species. Jelle Hofstra was a editor of several journals about herpetology and terrariumkunde. | Stories → Travel Reports 141 | amphibians 17 turtle 18 reptiles 59 terrarium 81 | Netherlands → Friesland 27911 |
| hydrofielduiken.nl | Hydrofiel | Hydrofiel is a diving club based in Groningen that welcomes members with diverse backgrounds and levels. The website presents the agenda of planned diving activities, including dives in various locations such as the Piccardthofplas, the Speicherbecken, and trips to places like Indonesia and Zeeland. Other events are also announced, such as general member meetings, barbecues, and storytelling evenings, and the website provides information about the history, biology, and travel stories of the club. | Diving → Diving Clubs 142 | diving trip 28 diving 459 club 4225 agenda 4374 | Wijdemeren → Nederhorst den Berg 207 |
| dendrocare.nl | DendroCare | DendroCare is a company that originated from a hobby and provides expertise in the care, breeding, and keeping of poison dart frogs. DendroCare offers the construction of exclusive paludariums, custom-made and with or without technology and furnishings. The website contains information about the care of poison dart frogs, a stock list of animals, and contact information. | Zoology → Amphibians 11 | breed 1744 animal 2908 construction 7421 care 12338 | Bladel → Hapert 240 |
| okopipi.nl | Tuinbedrijf Erik Wevers | Erik Wevers is a gardener with a passion for frogs and bird spiders, resulting in his house being largely populated by frogs. The website offers a glimpse into his life as a gardener, nature lover, and resident of an archeological monument in Wierden. There is a reference to a newspaper article about Erik Wevers and his unusual collection. | Nature → Animals 155 | frogs 13 archaeology 256 house 8121 nature 9094 garden 13129 | Overijssel → Almelo 2696 |
| hjgeuze.nl | Hans J. Geuze | Hans J. Geuze is a wildlife artist and biologist who has made numerous nature trips over the past 40 years and created paintings during those travels. His favorite subjects are birds and butterflies, which he captures in watercolor and acrylic. The website states that his paintings can also be found on other wildlife-art websites and that prices are exclusive of shipping costs. | Visual Arts → Fine Art 322 | butterfly 140 watercolor 369 acrylic 506 bird 922 paintings 3907 | |
| trram.nl | Vereniging Ter Rust & Recreatie van Attractieve Mannen | The TRRAM association was founded in 1995 as a result of an Axis & Allies weekend game and originated from the need to share photos. The association has since expanded and its members play various games and activities, such as Carcassonne, Poker, and cooking. The website is still under development, and visitors are invited to share their feedback in the guestbook. | Websites → Information Sites 174 | photo 7778 association 8562 | |
| insect.ivarvisser.nl | Insectenenmeer | The website features a comprehensive database containing descriptions of over 150 frog species, supported by 1500 photos, videos, and audio recordings. Insectenenmeer's mission is to provide both scientists and frog enthusiasts with reliable and extensive information on poison dart frogs, drawing on scientific insights and the experience of reputable breeders. The website offers various services, including detailed species descriptions and an extensive breeder database, designed with user-friendliness in mind. | Zoology → Amphibians 11 | breeder 492 database 1153 | |