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  3. European Otter

One of the 8 otters on WAnimals

European Otter (Lutra lutra)

Mammals · Carnivora · Mustelidae

European Otter

Lutra lutra

Near Threatened

It could become threatened in the near future if current threats go unchecked.

Spotted something wrong?

It marks its territory with scented droppings called "spraints", which it uses to communicate with other otters without ever having to meet them.

Weight

7 kg – 12 kg

Size

57 cm – 95 cm

Life expectancy

10 years

Diet

Carnivore

Feeds mainly on other animals.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Freshwater
53countries69parks11dive sites28same family

AI-generated images: illustrations, not photographs.

Fun facts

  • It marks its territory with scented droppings called "spraints".
  • Its populations collapsed across Europe in the twentieth century because of chemical pollution, and have recovered markedly since.
  • It starts to swim at around 10 to 16 weeks old.
  • comunicaciónIt marks its territory with distinctively scented droppings called spraints, which other otters read for information about the owner's identity and condition.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Rivers, lakes, wetlands and coasts across much of Eurasia and North Africa
Birth weight
Born blind and with fine fur
Size at birth
Tiny at birth
Sexual maturity
18-24 months
Gestation / incubation
60-70 days
Litter / clutch size
The equivalent of ~10% of the female's body weight in young (usually 2-3 cubs)
Life expectancy in captivity
Documented record of up to 18.2 years

Sources consulted: Thai National Parks · AnAge (genomics.senescence.info) · Animal Diversity Web · Mammal Society · All About Creatures · Animalia.bio · The Animal Facts · Life Apex

Where to find it

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Where to see it

Parks and dive sites where this species has been documented — showing 20 of 80.

Related species

Other species in the catalogue with the most in common with European Otter — same habitat, park, country, tags or family.

Shares a park
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park

Related guides

Keep exploring

Based on what we already know about european otter.

Share an experience, a fun fact or a tip for seeing the european otter.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano

The pins mark the parks and dive sites where its presence is documented.

See its range on the interactive map→
Doñana National ParkSpain
Lake DistrictUnited Kingdom
CairngormsUnited Kingdom
Snowdonia (Eryri)United Kingdom
KillarneyIreland
Picos de EuropaSpain
Ordesa y Monte PerdidoSpain
Aigüestortes i Estany de Sant MauriciSpain
Sierra de las NievesSpain
Peneda-GerêsPortugal
Scapa FlowUnited Kingdom
Lofoten (orcas)Norway
SaltstraumenNorway
St AbbsUnited Kingdom
Malin HeadIreland
Cíes IslandsSpain
Isles of ScillyUnited Kingdom
Skellig IslandsIreland
Trondheimsfjord (cold-water corals)Norway
Loch NessUnited Kingdom
See all 69 parks
See all 11 dive sites
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European Mink

Mustela lutreola

American MinkLeast Concern

American Mink

Neovison vison

Near Threatened

Thornback Ray

Raja clavata

Near Threatened

Common Stingray

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Where to dive with European Otter4 places
CountriesUnited Kingdom
ParksDoñana National ParkSpain
TagsCarnivore
Carnivore
Nocturnal
Solitary
Near Threatened
Freshwater
Mammal

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Asia12

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