🦦Eurasian otter
Utter eller eurasisk utter (Lutra lutra), ett eurasiskt rovdjur tillhörande familjen mårddjur. Namnet kan även avse andra arter i underfamiljen Lutrinae, som finns spridd över stora delar av världen. Uttern är Smålands landskapsdjur i Sverige och Andalusiens provinsdjur i Spanien.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2022.
- Body mass
- 7.81 kg
- Body length
- 0.75 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 22 years
Everything we know about the Eurasian otter
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass7.81 kgrecord 10,000 kg · SeaLifeBaseCOMBINEOther figures ↓Hide ↑
Record: largest individual on record
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 6.75 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length0.75 mCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
By sex
- Female11 mSeaLifeBasev25.04
Figures vary
- 9.8 mSeaLifeBasev25.04
Brain mass45 gCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan22 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 18 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Generation length7.59 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity1.9 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation63 daysCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 61 daysAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Litter sizeabout 2COMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 2AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Trophic levelCarnivoreCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Activity cycleCrepuscular / mixedCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Home range21 km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Population density0.85 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l7.8 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Eurasian otter yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderCarnivora
- ›familyMustelidae
- ›genusLutra
- ›speciesLutra lutra
- classMammals · Mammalia
- orderCarnivorans · Carnivora
- subfamilyLutrinae
- genusLutra
All 15 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderCarnivorans · Carnivora
- suborderCaniformia
- familyMustelidae
- subfamilyLutrinae
- genusLutra
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