Taxon Expeditions

Taxon Expeditions Scientists taking general public to Expeditions with a mission to discover new species for science.

Founded in 2017 and based in Leiden, The Netherlands, Taxon Expeditions is an organization which focuses on education and biodiversity discovery. We organize expeditions to remote areas for people interested in nature and science and help them make scientific discoveries. International experts are engaged to guide them through all the steps of real scientific research. Together, they discover, nam

e, and publish completely new species of wild animals. For more information check out our website: taxonexpeditions.com

 &  featured in Mare magazine!We’re bringing biodiversity exploration closer to home. Discover how our urban BioBlitz in...
13/04/2025

& featured in Mare magazine!

We’re bringing biodiversity exploration closer to home. Discover how our urban BioBlitz in Singelpark is helping map the city’s wild side—one species at a time.

Read the full article: [link in bio]

Our co-founder  has just delivered the first talk about his new book “The Urban Naturalist” at the MIT Museum in Boston!...
03/04/2025

Our co-founder has just delivered the first talk about his new book “The Urban Naturalist” at the MIT Museum in Boston!

Congratulations! 🥂

Ever wondered what wildlife is hiding in plain sight—right in your city? From tiny insects thriving in sidewalk cracks t...
03/03/2025

Ever wondered what wildlife is hiding in plain sight—right in your city? From tiny insects thriving in sidewalk cracks to birds adapting to neon-lit nights, nature is everywhere, even in the most unexpected urban corners!

In Urban Naturalist, our co-director takes you on a journey through the hidden biodiversity of cities, showing how plants and animals are evolving alongside us in the concrete jungle.

At a time when the only nature most people get to see is urban, The Urban Naturalist demonstrates that understanding the novel ecosystems around us is our best hope for appreciating and protecting biodiversity.

At Taxon Expeditions, we love bringing science to everyone—so if you’re curious about the nature all around you, this book is for you! 🙌

Grab your copy and start exploring the wild side of the city.

Meet Jorinde Nuytinck, one of our expert mycologists and an instructor for this year’s Divine Fungi Expedition in Greece...
26/02/2025

Meet Jorinde Nuytinck, one of our expert mycologists and an instructor for this year’s Divine Fungi Expedition in Greece.

Jorinde is a researcher at Naturalis Biodiversity Center in Leiden and a visiting professor at Ghent University. She is fascinated by fungi and combines fieldwork, morphology, microscopy and genetic techniques to study their diversity and evolution.

The current focus is on several hyper-diverse groups, such as bonnet mushrooms, milkcaps, and webcaps. An improved insight in the diversity of fungi is also essential to identify fungi directly from environmental samples. This technique is now used in several
Dutch cities to reveal the fungal networks below our feet.

Join us for the Divine Fungi Expedition from November 1–8 in the picturesque town of Litochoro, nestled at the foot of Mt. Olympus. Explore the captivating world of fungi and learn from our expert mycologists. Spots are limited—reserve yours now!




















Huge congratulations to our intern, Leen Jammalieh! Leen recently presented the results of our Pollinators of Potentino ...
18/02/2025

Huge congratulations to our intern, Leen Jammalieh! Leen recently presented the results of our Pollinators of Potentino Valley project at a scientific conference in the Netherlands!

Last October, she joined the team at , exploring different microhabitats in search of pollinators. After months of meticulous work in the lab, she’s uncovering fascinating insights into these vital insects. 🐞🪲🐝

The research is still ongoing, but here’s a sneak peek at her preliminary findings! Swipe to check out her poster.

Put a bright light and a white sheet up in the rainforest and you get a glimpse of the incomprehensible diversity of ins...
13/02/2025

Put a bright light and a white sheet up in the rainforest and you get a glimpse of the incomprehensible diversity of insects that make the forest their home at night.

In Borneo, where these photos were taken last year (by ) over 10,000 species of moth occur, each with its own delicate wing pattern made up from thousands of coloured scales.

It is just one of the many ways in which participants on our yearly Rainforest expedition get up close and personal with the overwhelming diversity of tropical insect life.

Sure, we spend time on birds, mammals, herps and other vertebrate animals too, but it is the insects that really take the biscuit.

Our expeditions are open to EVERYBODY. Anyone, regardless of age or background, can join. At Taxon Expeditions, we think that everybody has an innate sense of wonder about the beauty and mystery of the natural world and on our expeditions, we use playful science to channel this fascination into real data.

Participants on our expeditions come up with their own mini research projects, or discover and publish new species of wildlife.
Consider joining us in Borneo this year? Visit www.taxonexpeditions.com or drop us a line!

It’s Darwin Day and these are the original Darwin’s finches in the collection of  shot by the master himself. Or, well, ...
12/02/2025

It’s Darwin Day and these are the original Darwin’s finches in the collection of shot by the master himself. Or, well, “shot”...? Who knows, maybe they were rather gently knocked over, as Darwin writes about the avifauna: “Extreme tameness ... is common to all the terrestrial species ... A gun is here superfluous; for with the muzzIe I pushed a hawk off the branch of tree”.
📖

The microscopes in our lab are being repaired by this lovely lady.
27/01/2025

The microscopes in our lab are being repaired by this lovely lady.

Are you someone who loves observing the teeny tiny organisms around you? If so, you’ll love what we do at Taxon Expediti...
21/01/2025

Are you someone who loves observing the teeny tiny organisms around you?

If so, you’ll love what we do at Taxon Expeditions! 🌱🐜

We specialize in studying, discovering, and describing new species of small animals like insects and other invertebrates. These fascinating creatures are often overlooked in conservation efforts, but they play a vital role in maintaining healthy ecosystems. Our mission is to bring their beauty and importance into the spotlight. 🌍✨

Ready to join the adventure? In 2025, we’re organizing four expeditions that offer you the chance to dive into biodiversity hotspots, contribute to science, and even DISCOVER NEW SPECIES! 🕵️‍♀️🐛

Check out our upcoming expeditions and find one that speaks to your inner explorer.

🌿 Let’s give tiny creatures the attention they deserve!

🔗 [Link in bio]

Photos from our Expedition to Borneo:

We are thrilled to announce that Dr. Stanimira Deleva ( ), a bat expert and National Geographic Explorer, will be joinin...
16/01/2025

We are thrilled to announce that Dr. Stanimira Deleva ( ), a bat expert and National Geographic Explorer, will be joining us again as a guest instructor on this year’s Secret Canyon Expedition!
🦇🦇🦇
Stanimira has dedicated her career to understanding the fascinating lives of bats. From their vital roles in ecosystems to their incredible adaptations for flight and echolocation, she brings a wealth of knowledge—and a deep passion—for these often misunderstood creatures.

The photo you see here was captured during last year’s expedition. It shows Stanimira examining a bat wing, carefully identifying the species.

On the Secret Canyon Expedition, you’ll have the unique opportunity to learn directly from Stanimira as she shares her expertise in bat biology, conservation, and field research.

She’ll guide us on night surveys and caves to observe bats in their natural habitats, teach us how to use specialized equipment like bat detectors, and offer fascinating insights into bat’s role in maintaining healthy ecosystems.

This is your chance to go beyond the ordinary and experience the thrill of hands-on exploration, guided by one of the best in the field!

🌟 Join us!
Spaces are limited for this year’s expedition, so don’t wait too long to reserve your spot. Visit our website to learn more and sign up.

Photo:

Join the Divine Fungi Expedition on Mt. Olympus! 🍄✨Are you ready for an adventure blending science, nature, and a touch ...
13/01/2025

Join the Divine Fungi Expedition on Mt. Olympus! 🍄✨

Are you ready for an adventure blending science, nature, and a touch of mythology? Then join us in Greece and explore the breathtaking landscapes of Mount Olympus while uncovering the hidden wonders of fungi and insects.

Led by the mycologist Dr. Danny Haelewaters our expedition will take you on an unforgettable journey of science and discovery.

From daily outdoor excursions to engaging lab sessions and lectures in, there’s something for everyone—whether you're a seasoned naturalist or a curious beginner.

What to Expect:
🔍 Outdoor fieldwork to collect fungi and insects
🔬 Lab workshops on microscopy, fungi identification, DNA analysis, and more
📜 Learn how to create and preserve scientific voucher specimens
🌊 Relax at the beach or explore iconic sites like the archaeological wonders of Dion, the quaint village of Palaios Panteleimonas, and serene Lake Kati

Where?
Our base will be the charming town of Litochoro, nestled at the foot of Mount Olympus, where the ancient gods once roamed.

Spaces are limited, so don’t miss this chance to embark on a truly divine adventure. 🌿✨

Reserve your spot now and join us for an unforgettable journey into the wild beauty of divine fungi!

12/01/2025

We are now also on BlueSky! Join us there if you're also a BlueSkier:

Scientists taking the general public on real expeditions to discover new species. Dr. Iva Njunjić & Prof. Dr. Menno Schilthuizen say: “You can be Darwin, too!” More info at: www.taxonexpeditions.com

At Taxon Expeditions, we are constantly looking for new ways to bring science and biodiversity to the public. In our por...
05/01/2025

At Taxon Expeditions, we are constantly looking for new ways to bring science and biodiversity to the public. In our portfolio of international biodiversity expeditions, we are now preparing for an expedition largely devoted to Fungi and their role in the ecosystem on Mount Olympus, Greece.

With local and international experts (principal among them our friend and long-time collaborator Haelewaters ) we will explore the molds and mushrooms of this legendary mountain from *1 to 8 November, 2025*.
Get in touch if you want to sign up!

Exciting news! 🌟 A new species of beetle discovered during our Borneo Expedition has been named one of the Top 5 Species...
30/12/2024

Exciting news! 🌟 A new species of beetle discovered during our Borneo Expedition has been named one of the Top 5 Species of 2024 by de Volkskrant🎉

This incredible find was made by citizen scientists who worked alongside our team of experts for 10 days in the heart of the rainforest.

Everyone who contributed to the discovery and the scientific publication is proudly listed as a co-author.

26 s

Earlier this month, our co-founder  was a keynote speaker at the 8th Silesian Science Festival in Katowice, Poland—one o...
20/12/2024

Earlier this month, our co-founder was a keynote speaker at the 8th Silesian Science Festival in Katowice, Poland—one of the largest science festivals in Europe!

Over three days, the event showcased the best of science, technology, and education, drawing massive crowds of all ages.

Menno gave two lectures: one on urban evolution, the topic of his book Darwin Comes to Town, and another one about his upcoming book The Urban Naturalist.

It was inspiring to see thousands of people eager to learn and engage with science. 🌍🔬

Adres

Rembrandtstraat
Leiden
2311VW

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