Mammals
Mammals are a group of warm-blooded vertebrates that includes four-legged creatures, flying species and humans. Discover UK mammals that call our canals and rivers home. Learn what these beings eat, where they live and how to spot them.
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Making life better by water
The diverse habitats along our canals and rivers provide homes for all kinds of wildlife. From the common mallard to the elusive kingfisher, what wildlife will you see?
Mammals are a group of warm-blooded vertebrates that includes four-legged creatures, flying species and humans. Discover UK mammals that call our canals and rivers home. Learn what these beings eat, where they live and how to spot them.
One of Britain's largest wild animals, these striking creatures are nocturnal and shy of human contact
These speedy, reddish-brown creatures are our smallest voles
The only flying mammal, these fascinating animals sleep upside down and use echolocation
Intelligent and highly adaptable, these resourceful characters are happy in almost any habitat
These small rodents spend as much as three-quarters of the year asleep – and are known to snore
An adaptable and highly cunning species, foxes are as common in cities as they are on our rural canals
These iconic prickly mammals are well-loved in the UK and spend much of their lives asleep
Lithe swimmers and excellent hunters, otters are surprisingly common, but hard to spot
These mustelids prefer to be alone and usually only come out at night
Fierce and opportunistic predators, stoats are surprisingly multi-talented creatures
This much-loved character is one of our most endangered species
The world’s smallest carnivore, the weasel is a voracious hunter
There are around 640 different bird species in the UK. Our canals and rivers are home to a range of impressive birds of prey, elusive fishers and smaller garden birds.
With their heart-shaped face and pure white feathers, barn owls are one of our most treasured birds
The common tern is a noisy bird and highly defensive of its nest
These prehistoric-looking birds are highly efficient fishermen
The grey heron is known for its motionless stance at the water's edge
Often seen suspended in mid-air, kestrels are expert hovering hunters
The 'King of Fishers' is usually glimpsed as a sudden flash of glistening blue
The little egret is a small, white bird that feeds on small fish and crustaceans
Ducks, swans and geese are familiar favourites on our network. Learn about their habitats, what you can feed them and which rarer migratory species you might spot.
One of the most recognised geese in the UK, notorious for its loud honking noise
The common coot is a sociable bird that is abundant on our canals
There are 22 different species in the UK, from the recognisable mallard to the colourful mandarin
Striking plumage and elaborate courtship make the great crested grebe a remarkable sight
This shy diving bird is our smallest grebe and very good at hiding among the watery vegetation
These familiar black birds are distinguished by their red beaks and yellow legs
These elegant birds have been romanticised since storytelling began
Look out for the cold-blooded creatures that use our network for food, breeding and shelter.
These well-known amphibians are smooth and slippery masters of disguise
You might spot these sun-loving snakes basking on grassy banks on summer days
The smooth newt is the most common species, but the UK is home to two other species
With distinctive warty skin and an iconic call, toads are often found in tales of witchcraft
Explore the large and diverse group of invertebrates that rely on our canals and rivers. From important pollinators to recyclers, creepy crawlies are vital for biodiversity.
So-called for their ‘bumbling’ flight, bumblebees are a quintessential part of a summer’s day
The UK glories in 59 different species of this brightly coloured insect
A large group of moth-like insects that makes their homes in any wetland habitat
These colourful insects are acrobatic masters of the air
Dragonflies are the raptors of the insect world and an integral part of summer
These all-singing, all-dancing creatures are the gymnasts of the insect world
These hardworking little bees are known for the sweet honey they produce
The hornet is the largest social wasp in Britain
The mayfly dances along the surface of our canals and rivers in search of a mate
The water boatman is a small creature found on the surface of our canals
Do you know which rare and protected species live in our canals? Discover what species you'll find beneath the surface.
Our canals and rivers hold a great variety of fish, including native, protected and invasive species
If you discover something unusual on your next visit why not take a picture and share it with us on Twitter, Facebook or Instagram.
Don't forget to tag @canalrivertrust and use #LifesBetterByWater so we can see what you've spotted.
Download your free 'All about wildlife' guide and start exploring the nature on a waterway near you
Canals need many hands to look after them. By volunteering with us, you can really make a difference
We urgently need your donations to keep our network protected and alive with nature
Can you spot the difference between dragons and damsels? Do you know the best places to see a kingfisher?
Last Edited: 29 May 2025
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