Stercorarius skua
Great skua
GC content
44.56%
Whole genome
Non-coding
3,536 bp
Including the D-loop
Where Great skua sits among 2,335 species
Whole-genome GC content against maximum lifespan. Great skua has the 318th longest lifespan of them.
- This species
- Other birds
- Other classes
Base composition
Whole genome19,034 bp
- GC skew (G − C) / (G + C)
- −0.386
- AT skew (A − T) / (A + T)
- +0.115
Life history
- Maximum lifespan
- 35.9 years
- Adult weight
- 1.3 kg
- Female sexual maturity
- 6 years
- Male sexual maturity
- 6 years
- Postnatal growth rate
- 0.156 per day
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00567)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, large sample
- Licence
- Free to use, subject to the Human Ageing Genomic Resources conditions of use
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome19,034 bp
Protein-coding11,382 bp
12S rRNA983 bp
16S rRNA1,598 bp
All tRNA1,549 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 978 bp | 45.19% | −0.385 | −0.030 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,039 bp | 42.06% | −0.542 | +0.143 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.97% | −0.307 | +0.038 | |||||
| COX2Cytochrome c oxidase subunit II | 684 bp | 44.30% | −0.366 | +0.092 | |||||
| ATP8ATP synthase F0 subunit 8 | 174 bp | 42.53% | −0.730 | +0.220 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 45.18% | −0.560 | +0.056 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 45.03% | −0.343 | +0.077 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 44.16% | −0.458 | +0.020 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 44.44% | −0.364 | +0.091 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 44.05% | −0.565 | +0.108 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,815 bp | 44.68% | −0.490 | +0.141 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 47.13% | −0.602 | +0.572 | |||||
| CYTBCytochrome b | 1,143 bp | 45.76% | −0.449 | +0.058 | |||||
| 12S rRNA12S ribosomal RNA | 983 bp | 49.95% | −0.132 | +0.191 | |||||
| 16S rRNA16S ribosomal RNA | 1,598 bp | 44.93% | −0.181 | +0.230 |
Codon usage
Counts per codon, darker is more frequent3,799 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.8%
UUU61
UUC161
Leu L17.6%
UUA77
UUG22
CUU67
CUC157
CUA316
CUG31
Ile I7.6%
AUU94
AUC196
Met M4.5%
AUA138
AUG32
Val V4.5%
GUU36
GUC42
GUA74
GUG20
Ser S7.7%
UCU42
UCC79
UCA105
UCG10
AGU7
AGC50
Pro P5.7%
CCU35
CCC72
CCA99
CCG12
Thr T9.2%
ACU68
ACC142
ACA134
ACG6
Ala A7.6%
GCU59
GCC120
GCA105
GCG5
Tyr Y2.9%
UAU29
UAC83
His H2.8%
CAU33
CAC75
Gln Q2.6%
CAA91
CAG7
Asn N3.5%
AAU30
AAC102
Lys K2.2%
AAA79
AAG6
Asp D1.6%
GAU13
GAC48
Glu E2.4%
GAA78
GAG14
Cys C0.7%
UGU13
UGC15
Trp W2.8%
UGA96
UGG12
Arg R1.8%
CGU9
CGC18
CGA40
CGG3
Gly G5.8%
GGU45
GGC50
GGA94
GGG32
Stop 0.3%
UAA6
UAG1
AGA1
AGG2
Genome map
37 annotated features in NC_071236.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding13
- rRNA2
- tRNA22
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (44.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,551 | 1,551 bp | + | 46.0% |
| tRNA-Ser (UCN) | Transfer RNA | 1,543 | 1,616 | 74 bp | − | – |
| tRNA-Asp | Transfer RNA | 1,619 | 1,687 | 69 bp | + | – |
| COX2 | Protein-coding gene | 1,689 | 2,372 | 684 bp | + | 44.3% |
| tRNA-Lys | Transfer RNA | 2,374 | 2,443 | 70 bp | + | – |
| ATP8 | Protein-coding gene | 2,445 | 2,618 | 174 bp | + | 42.5% |
| ATP6 | Protein-coding gene | 2,609 | 3,292 | 684 bp | + | 45.2% |
| COX3 | Protein-coding gene | 3,292 | 4,075 | 784 bp | + | 45.0% |
| tRNA-Gly | Transfer RNA | 4,076 | 4,144 | 69 bp | + | – |
| ND3 | Protein-coding gene | 4,145 | 4,496 | 352 bp | + | 44.2% |
| tRNA-Arg | Transfer RNA | 4,501 | 4,569 | 69 bp | + | – |
| ND4L | Protein-coding gene | 4,571 | 4,867 | 297 bp | + | 44.4% |
| ND4 | Protein-coding gene | 4,861 | 6,238 | 1,378 bp | + | 44.1% |
| tRNA-His | Transfer RNA | 6,239 | 6,308 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 6,309 | 6,374 | 66 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 6,374 | 6,444 | 71 bp | + | – |
| ND5 | Protein-coding gene | 6,445 | 8,259 | 1,815 bp | + | 44.7% |
| CYTB | Protein-coding gene | 8,272 | 9,414 | 1,143 bp | + | 45.8% |
| tRNA-Thr | Transfer RNA | 11,762 | 11,831 | 70 bp | + | – |
| tRNA-Pro | Transfer RNA | 11,845 | 11,914 | 70 bp | − | – |
| ND6 | Protein-coding gene | 11,934 | 12,455 | 522 bp | − | 47.1% |
| tRNA-Glu | Transfer RNA | 12,459 | 12,529 | 71 bp | − | – |
| tRNA-Phe | Transfer RNA | 13,637 | 13,707 | 71 bp | + | – |
| 12S rRNA | Ribosomal RNA | 13,707 | 14,689 | 983 bp | + | 50.0% |
| tRNA-Val | Transfer RNA | 14,689 | 14,761 | 73 bp | + | – |
| 16S rRNA | Ribosomal RNA | 14,761 | 16,358 | 1,598 bp | + | 44.9% |
| tRNA-Leu (UUR) | Transfer RNA | 16,360 | 16,433 | 74 bp | + | – |
| ND1 | Protein-coding gene | 16,442 | 17,419 | 978 bp | + | 45.2% |
| tRNA-Ile | Transfer RNA | 17,418 | 17,489 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 17,499 | 17,569 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 17,569 | 17,637 | 69 bp | + | – |
| ND2 | Protein-coding gene | 17,638 | 18,676 | 1,039 bp | + | 42.1% |
| tRNA-Trp | Transfer RNA | 18,677 | 18,748 | 72 bp | + | – |
| tRNA-Ala | Transfer RNA | 18,750 | 18,818 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 18,821 | 18,894 | 74 bp | − | – |
| tRNA-Cys | Transfer RNA | 18,897 | 18,963 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 18,963 | 19,033 | 71 bp | − | – |