Ecology

Habitat

Depth range based on 85738 specimens in 5 taxa.
Water temperature and chemistry ranges based on 37586 samples.

Environmental ranges
  Depth range (m): 0 - 0
  Temperature range (°C): -1.750 - 9.650
  Nitrate (umol/L): 8.380 - 30.562
  Salinity (PPS): 32.635 - 34.442
  Oxygen (ml/l): 6.231 - 8.233
  Phosphate (umol/l): 1.048 - 2.127
  Silicate (umol/l): 2.879 - 89.471

Graphical representation

Temperature range (°C): -1.750 - 9.650

Nitrate (umol/L): 8.380 - 30.562

Salinity (PPS): 32.635 - 34.442

Oxygen (ml/l): 6.231 - 8.233

Phosphate (umol/l): 1.048 - 2.127

Silicate (umol/l): 2.879 - 89.471
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 86
Specimens with Sequences: 61
Specimens with Barcodes: 58
Species: 3
Species With Barcodes: 3
Public Records: 51
Public Species: 3
Public BINs: 4
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Pygoscelis

The genus Pygoscelis ("rump-legged") contains three living species of penguins collectively known as "the brush-tailed penguins".[citation needed]

Taxonomy[edit]

Mitochondrial and nuclear DNA evidence suggests the genus split from other penguins around 38 million years ago, about 2 million years after the ancestors of the genus Aptenodytes. In turn, the Adelie penguins split off from the other members of the genus around 19 million years ago.[1]

The three extant species are:

Extinct species:

The latter two are tentatively assigned to this genus.

Species photographs[edit]

Photographs of adult penguins of the extant (living) species:

References[edit]

  1. ^ Baker AJ, Pereira SL, Haddrath OP, Edge KA (2006). "Multiple gene evidence for expansion of extant penguins out of Antarctica due to global cooling". Proc Biol Sci. 273 (1582): 11–17. doi:10.1098/rspb.2005.3260. PMC 1560011. PMID 16519228. 
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