🐿️Eastern gray squirrel
灰松鼠（学名：Sciurus carolinensis；英語：eastern gray squirrel、grey squirrel）是一種原生於美國東部及中西部以及加拿大东部省份的樹松鼠。它是一种多产且适应性很强的松鼠，後來美國西部也繁殖起来，引入到英国後又成為入侵物種，對當地原生的歐亞紅松鼠構成威脅。爱尔兰东部的一些郡的欧亚红松鼠也受到威胁，但是欧亚红松鼠在南部和西部的郡仍然很常见。意大利也有发生入侵的可能。國際自然保護聯盟物種存續委員會的入侵物種專家小組（ISSG）列為世界百大外來入侵種。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2018.
- Body mass
- 0.54 kg
- Body length
- 0.32 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 24 years
Everything we know about the Eastern gray squirrel
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass0.54 kgCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 0.53 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length0.32 mCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Brain mass7.5 gCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan24 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 24 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Generation length7.61 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity338 daysCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation44 daysCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 44 daysAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Litter sizeabout 3COMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 4AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Trophic levelHerbivoreCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Activity cycleDiurnalCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Home range0.01 km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Population density690 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l0.5 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 Eastern gray squirrel yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderRodentia
- ›familySciuridae
- ›genusSciurus
- ›speciesSciurus carolinensis
- classMammals · Mammalia
- orderRodents · Rodentia
- familySciuridae
- tribeSciurini
All 14 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderEuarchontoglires
- orderRodents · Rodentia
- suborderSciuromorpha
- familySciuridae
- tribeSciurini
More about the Eastern gray squirrel
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