🦏Javan rhinoceros
爪哇犀（學名：Rhinoceros sondaicus）也稱 小獨角犀，屬奇蹄目犀科，與印度犀是近親。目前幾近于絕種，只剩下五十至六十頭左右，因为过度捕杀，目前仅在印尼的爪哇岛还有一个种群残存，其中印度亚种和越南亚种已经灭绝。爪哇犀在1989年曾於越南的吉仙國家公園用紅外線照相機拍到，当时相信至少還有大约13隻的族群（為爪哇犀的亞種越南爪哇犀）；但因为越南保护措施的无力，以及偷猎者猎杀手段的不断升级，越南的爪哇犀已在2010年4月因为持续偷猎的猖獗最终灭绝。现在仅仅在印尼爪哇島的烏戎庫隆國家公園，還有50多头存活。爪哇犀不像其他犀牛會衝撞太靠近的人或動物，只要有一點風吹草動，爪哇犀便會逃之夭夭。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2020.
- Body mass
- 1,750 kg
- Body length
- 3.15 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 40 years
Everything we know about the Javan rhinoceros
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass1,750 kgCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1,750 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Body length3.15 mCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Maximum lifespan40 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Generation length15 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Age at maturity3.5 yearsCOMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Gestation1.4 yearsCOMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1.4 yearsAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Litter size1COMBINEOther figures ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Figures vary
- 1AnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: low
Trophic levelHerbivoreCOMBINEDetails ↓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
Population density0.1 per km²COMBINEDetails ↓Hide ↑
Source: COMBINE · v1 (Soria et al. 2021) · CC BY 4.0
Volume l1,750 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 Javan rhinoceros yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classMammalia
- ›orderPerissodactyla
- ›familyRhinocerotidae
- ›genusRhinoceros
- ›speciesRhinoceros sondaicus
- classMammals · Mammalia
- orderOdd-toed hoofed animals · Perissodactyla
- familyRhinocerotidae
- genusRhinoceros
All 13 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- classMammals · Mammalia
- subclassTheria
- superorderLaurasiatheria
- orderOdd-toed hoofed animals · Perissodactyla
- familyRhinocerotidae
- genusRhinoceros
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