Wetlands & Marshes treasure hunt
Wetlands and marshes are among the world's most productive ecosystems. On a GPS scavenger hunt through these wetlands, you will discover a world full of life that is often hidden from the ordinary eye.
Step 1 of 3
Free, so it costs you nothing! Really!
Made 2 days ago: Enkhuizen city walk in Enkhuizen
Available nature treasure hunts (5)
Natuur in de Stad
Groningen, Groningen, Netherlands
Fiets langs de mooiste groene plekken van Groningen. Ontdek parken, vijvers en stadsbossen waar je midden in de stad to…
Natuur
9-10 year
Strand en zee ontdekken
Den Haag, Zuid-Holland, Netherlands
Een leuke speurtocht langs het strand en de boulevard van Scheveningen. Leer alles over de zee, schelpen en zeedieren!
Natuur
9-10 year
Natuur en dieren bij Kijkduin
Den Haag, Zuid-Holland, Netherlands
Pak je fiets en ontdek de prachtige natuur rond Kijkduin. Van duinen tot bossen, van zeevogels tot konijnen - de natuur…
Natuur
9-10 year
Natuur in het Kralingse Bos
Rotterdam, Zuid-Holland, Netherlands
Een leuke speurtocht voor de allerkleinsten door het mooie Kralingse Bos! Kijk goed om je heen naar bomen, bloemen, een…
Natuur
5-6 year
Natuur ontdekken in het Vondelpark
Amsterdam, Noord-Holland, Netherlands
Een leuke speurtocht door het Vondelpark voor de allerkleinsten! Tel eendjes, zoek bloemen en ontdek de natuur om je he…
Natuur
3-4 year
Featured this week: example questions for Wetlands & Marshes
New example questions from the library every Monday. Updated on 12 October 2026.
What do a lot of them grow in the swamp?
Reed
Apples
Bananas
Pears
What do beavers make in the water?
A dam
A cake
A car
A bicycle
Which animal can jump very well?
A frog
A snake
A fish
A worm
What grows in the water?
Aquatic plants
Christmas trees
Apple trees
Roses
What do ducks do when they are hungry?
They dive down for food
They climb trees
They dig holes
They go to sleep
How do dragonflies move through the air?
They fly very fast
They crawl
They jump
They swim
In what season do tadpoles hatch from their eggs?
Spring
Winter
Christmas
Sinterklaas
How do fish move through the water?
They swim
They run
They fly
They drive
What happens to plants in the swamp?
They are growing very well
They all die
They turn blue
They are going to run
Where does a turtle hide when it is scared?
In his shell
In a tree
In the sand
In a den
Which bird has long legs to walk through water?
A heron
A pigeon
A penguin
A sparrow
What is the colour of many frogs?
Green or brown
Pink
Blue
Purple
Which plant often grows in swamps?
Reed
Roses
Tulips
Cacti
When do water lilies bloom?
In summer
In winter
Never
Only at night
Which animal makes its home out of mud?
A beaver
A bird
A fish
A mouse
What makes the swamp muddy sometimes?
Soil mixed with water
Sand only
Only stones
Leaves only
Which animal has brown fur and swims well?
Beaver
Rabbit
Dog
Cat
What is a frog's baby?
Tadpole
Frog
Fish
Snail
What do ducks have between their toes?
Swimming flippers
Feathers
Nails
Scales
How old cane plants can grow?
Very old, sometimes up to 100 years
Just one day
Exactly one year
They do not really live
Where do ducks lay their eggs in the marsh?
In a nest among the reeds
On a tall tree
Under the ground
In the water
Which animal makes its home from reeds and twigs in the swamp?
The beaver
The mole
The spider
The butterfly
Where do frogs sleep in winter?
In the mud underwater
In trees
In houses
In caves
What do toads do in winter?
They go to sleep underground
They fly to warm countries
They build a nest
They swim to the sea
What is the difference between a swamp and a pond?
A swamp has many plants, a pond is often bare
There is no difference
A pond is always bigger
A swamp has no water
How do tadpoles make it possible to breathe underwater?
With gills, just like fish
They hold their breath
With their lungs
They do not need to breathe
What is the main reason why wetlands need to be protected?
They are home to many special plants and animals
They look beautiful
They smell nice
They are easy to reach
Which well-known flower often grows in swamps?
The water lily
The rose
The tulip
The sunflower
Why are wetlands important during droughts?
They store water for animals and plants
They make it even drier
They have no function in drought
They disappear in drought
Which water bird has a very long neck?
The swan
The sparrow
The bee
The butterfly
What do beavers use to build their dams?
Branches, mud and stones
Leaves only
Plastic and metal
Only mud
What foods do you NOT find in a wetland?
Pizza
Insects
Aquatic plants
Small fish
What do aquatic plants do with excess oxygen?
They give it off to the water
They store it in their roots
They turn it into sugar
They use it to grow
What do we call the transition zone between land and water in wetlands?
Bank zone
Drying zone
Deep Zone
Centerline
Which amphibian lays its eggs in long strands in shallow marsh water?
Common toad
Green frog
Salamander
Crested newt
Why are wetlands important during dry periods?
They store rainwater for later use
They create artificial water
They attract rain
They prevent animals from getting thirsty
What happens to young amphibians as they mature?
They can live on land in addition to in water
They can only live on land
They can only live in the water
Teaching them to fly
Why are wetlands important stopping points for migratory birds?
They provide food and rest during long flights
They have the warmest climate
They are always at high altitude
They have the best wind directions
Which duck has a spoon-shaped beak perfect for filtering food from swamp water?
Spooner
Wild duck
Table duck
Gadwall
What is a migratory bird route across wetlands?
A fixed route birds use to fly to and from breeding grounds
A footpath for people through marshes
A navigation route for boats
A road for cars along the waterfront
What is the pH value of a typical raised bog?
3-4 (acid)
7 (neutral)
8-9 (basic)
1-2 (very acidic)
Which bird is known for its call that sounds like the mooing of a bull?
Bittern
Purple Heron
Pied Piper
Greylag goose
What musk does the bisamrat spread in wetlands?
A scent to mark its territory
A substance to find food
A warning signal for danger
A substance to purify water
How many species of peat moss occur in the Netherlands?
About 35
About 10
About 100
About 5
In which season does reed form its characteristic plumes?
Autumn
Spring
Summer
Winter
How long does it take for peat moss to completely decompose into peat?
Thousands of years
Decades
Hundreds of years
A few years
What is 'succession' in a wetland?
The gradual change of plant growth over time
Birds flying away in winter
The creation of new ponds
The reproduction of aquatic animals
Which duck specialises in foraging in shallow marshes?
Shoveler duck
Wild duck
Table duck
Wigeon
What causes the characteristic 'rotten eggs' smell in some bogs?
Hydrogen sulphide gas
Methane gas
Ammonia
Carbon dioxide
What are the names of the temporary pools created in spring in forests and meadows?
Vernal pools
Oxbow lakes
Chain Lakes
Pingo welding
What adaptation helps waterbirds fly from water?
Low wingloading (low wing loading)
Extra-large lungs
Water-repellent springs
Swimming flippers between toes
What role do mycorrhiza play in wetland ecosystems?
Symbiotic fungi that help plants absorb nutrients
Pathogens affecting plants
Parasites living on fish
Fungi that break down only dead material
Which plant group dominates in brackish wetlands?
Halophytes (salt plants)
Hydrophytes (aquatic plants)
Xerophytes (desert plants)
Epiphytes (planting)
What technique do researchers use to monitor wetland biodiversity?
Environmental DNA (eDNA) analysis
X-rays
Magnetic resonance
Infrared spectroscopy
What is the difference between a bog and a low moor?
High moor is fed by rainwater, low moor by groundwater
High moors are always higher than 100 metres above sea level
High moor contains more minerals than low moor
High moor is younger than low moor
How do tides affect biodiversity in coastal wetlands?
They create a dynamic system with different habitats
They destroy all plant life
They ensure constant water temperature
They have no impact on the ecosystem
Which dragonfly is typical of acid fens and bogs?
Venom whiptail
Great imperial dragonfly
Common bank dragonfly
Blue glazier
What is typical about the root structure of marsh plants?
Aerenchyme tissue for oxygen transport
Extra-deep taproot
Mycorrhiza fungi
Verhout root tissue
What role do wetlands play in the global water cycle?
Increased evapotranspiration and localised precipitation formation
Reduction of humidity
Blocking of water vapour
Absorption of UV radiation
What factor determines the depth at which anaerobic processes begin in sediments?
Organic matter content and temperature
pH of the water
Light
Tidal
What strategy do marsh plants use to prevent iron deficiency?
Radial oxygen loss to the rhizosphere
Production of siderophores
Symbiosis with mycorrhizal fungi
Additional iron absorption through leaves
Which insect has an important role as a pollinator in wetlands?
Early glazier (hoverfly)
Marsh sable (dragonfly)
Damselfly
Skate rider
Which salamander depends on permanent water bodies in forests?
Crested newt
Common salamander
Alpine newt
Fire salamander
Which gas is mainly produced during anaerobic decomposition in wetlands?
Methane (CH₄)
Carbon dioxide (CO₂)
Nitrous oxide (N₂O)
Hydrogen sulphide (H₂S)
What chemical compound gives peat water its characteristic brown colour?
Humus substances
Iron oxide
Chlorophyll
Tannins
Which plant species can live more than 100 years in peatlands?
Gagel
Heather
Cranberry
Pipestraw
What phenomenon can lead to the sudden death of fish in wetlands?
Oxygen deficiency caused by algal blooms
Water temperature too high
Overpopulation of waterbirds
Too many aquatic plants
Which term describes the periodic drying of wetlands?
Hydro period
Eutrophication
Stratification
Succession
Which species of bird can climb upside down on reeds?
Beardman
Reed bunting
Lesser warbler
Mustache
Which aquatic plant is also called 'water alum' because of its shape?
Crabgrass
Water trefoil
Water gentian
Waterviolier
Which bird of prey specialises in hunting waterfowl and is also known as a 'hawk star'?
Sparrowhawk
Hawk
Buzzard
Kestrel
Which water beetle is indicator of clean marsh water?
Large yellow edge
Common water beetle
Small water beetle
Water pistol beetle
How does it work?
1
Create treasure hunt
Choose a category, age and location. Select from 194.450 questions in 21 categories and create a complete treasure hunt within a minute.
2
Share treasure hunt
Share the treasure hunt via a link or QR code with friends, students or colleagues.
3
Do the treasure hunt
Open the treasure hunt on your phone, follow the route and answer the questions along the way.
Create your own treasure hunt
A complete GPS treasure hunt with questions and answers within a minute. Free!
Sign up for freeOther Nature subjects
Frequently asked questions
A Wetlands & Marshes scavenger hunt is a GPS-guided outdoor activity with quiz questions about Wetlands & Marshes, part of the theme Nature. You walk a route past various locations and answer fun questions along the way.
There are 7599 questions available about Wetlands & Marshes: 7599 multiple choice questions, 0 open questions and 0 assignments. The category Nature has more than 134643 questions in total.
There are Wetlands & Marshes questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.
Go to oppatt.io, create a free account, choose the theme Nature and select Wetlands & Marshes as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.