🐦Common Murre
普通海鴉（学名：Uria aalge），又名崖海鸦，为海雀科海鸦属下的一个种。 普通海鸦是一种大型海雀科鸟类，在北美洲又称作尖嘴海鸦，栖息于北极圈附近的北大西洋和北太平洋的近北极海域和北温带海域，寿命大约为20年。普通海鸦大部分时间生活在海里，仅在繁殖期生活在悬崖和海岛上。 普通海鸦有翅膀可用于飞翔但不灵活，在水里游泳时异常灵活。其经常潜入30-60米的水下，有记录显示其潜水最深可达180米。 普通海鸦常常成群生活，种群密度很高，以至于繁殖期的海鸦可与相邻的海鸦发生身体触碰。普通海鸦不筑巢，每次产卵一枚。卵孵化于悬崖边的岩石上，通常需要30天时间。卵孵化后，幼鸟全身有绒毛，需要10天时间才能自主调节体温。孵化20天后，幼鸟离开孵化地点去海里生活，但不会飞翔，只能靠扑动翅膀在空中滑翔。幼鸟一旦入水就开始潜水。雌鸟会在孵化地点等待约14天直至幼鸟返回。雌鸟和雄鸟在繁殖后会换毛，在1-2个月内无法飞翔。生活在南部的一些海鸦在冬季仍会时不时回到产卵地点；而生活在更靠北的海鸦在离群更远的地方过冬。
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2018.
- Body mass
- 0.99 kg
- Body length
- 0.43 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 43 years
Everything we know about the Common Murre
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass0.99 kgrecord 0.99 kg · SeaLifeBaseAVONETOther figures ↓Hide ↑
Record: largest individual on record
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Figures vary
- 0.99 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Body length0.43 mmaximum recorded, total lengthSeaLifeBaseDetails ↓Hide ↑
Source: SeaLifeBase · v25.04 · CC BY-NC 4.0
Tail length0.05 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Wing length0.2 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Beak length0.06 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Tarsus length0.04 mAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Maximum lifespan43 yearsAnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Gestation31 daysAnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Litter size1AnAgeDetails ↓Hide ↑
data quality: acceptable
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Trophic levelCarnivoreAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
HabitatMarineAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
LifestyleAquaticAVONETDetails ↓Hide ↑
Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0
Volume l1 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 Common Murre yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›classAves
- ›orderCharadriiformes
- ›familyAlcidae
- ›genusUria
- ›speciesUria aalge
- superclassTetrapoda
- orderSauria
- classBirds · Aves
- genusUria
All 10 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassSarcopterygii
- superclassTetrapoda
- orderSauria
- classBirds · Aves
- genusUria
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