Maximum lifespan
32.9 yr
AnAge record (opens in a new tab)
GC content
45.22%
Whole genome
Non-coding
1,343 bp
D-loop 1,268 bp

Where Black-headed gull sits among 2,335 species

Whole-genome GC content against maximum lifespan. Black-headed gull has the 373rd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Black-headed gull
  • This species
  • Other birds
  • Other classes

Base composition

Whole genome16,807 bp
GC skew (G − C) / (G + C)
−0.374
AT skew (A − T) / (A + T)
+0.125

Life history

Maximum lifespan
32.9 years
Adult weight
306 g
Female sexual maturity
2 years
Male sexual maturity
2 years
Gestation or incubation
22 days
Litter or clutch size
3
Postnatal growth rate
0.248 per day

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 00457)

About this record

Lifespan source
AnAge build 15
Based on
an animal in the wild
Data quality
acceptable, medium sample
Licence
Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status
Unchanged since build 1
In the database since
build 1 (2015-07-01)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq
Whole genome16,807 bp
Protein-coding11,370 bp
12S rRNA965 bp
16S rRNA1,604 bp
All tRNA1,547 bp
D-loop1,268 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Chroicocephalus ridibundus genes
Composition
ND1NADH dehydrogenase subunit 1978 bp26.3%27.4%14.1%32.2%46.32%−0.391−0.021
ND2NADH dehydrogenase subunit 21,039 bp32.2%24.0%10.7%33.1%43.79%−0.512+0.147
COX1Cytochrome c oxidase subunit I1,551 bp27.5%25.9%16.1%30.5%46.62%−0.308+0.031
COX2Cytochrome c oxidase subunit II684 bp29.4%24.0%15.1%31.6%46.64%−0.354+0.101
ATP8ATP synthase F0 subunit 8168 bp34.5%23.2%6.0%36.3%42.26%−0.718+0.196
ATP6ATP synthase F0 subunit 6684 bp28.9%23.4%10.1%37.6%47.66%−0.577+0.106
COX3Cytochrome c oxidase subunit III784 bp28.1%25.5%16.6%29.8%46.43%−0.286+0.048
ND3NADH dehydrogenase subunit 3345 bp27.2%27.2%12.5%33.0%45.51%−0.4520.000
ND4LNADH dehydrogenase subunit 4L297 bp29.0%24.6%14.5%32.0%46.47%−0.377+0.082
ND4NADH dehydrogenase subunit 41,378 bp30.9%23.2%10.4%35.4%45.86%−0.544+0.142
ND5NADH dehydrogenase subunit 51,815 bp31.5%23.9%11.2%33.4%44.57%−0.498+0.137
ND6NADH dehydrogenase subunit 6522 bp42.3%10.9%10.5%36.2%46.74%−0.549+0.590
CYTBCytochrome b1,143 bp29.3%24.8%12.3%33.5%45.84%−0.462+0.082
12S rRNA12S ribosomal RNA965 bp30.9%19.8%21.2%28.1%49.33%−0.139+0.219
16S rRNA16S ribosomal RNA1,604 bp32.9%22.0%19.0%26.1%45.08%−0.156+0.199
D-loopControl region (D-loop)1,268 bp32.5%27.1%13.6%26.8%40.46%−0.326+0.091

Codon usage

Counts per codon, darker is more frequent

3,795 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%
UUU56
UUC167
Leu L17.5%
UUA75
UUG23
CUU63
CUC156
CUA305
CUG41
Ile I7.6%
AUU87
AUC203
Met M4.5%
AUA141
AUG29
Val V4.6%
GUU36
GUC49
GUA66
GUG23
Ser S7.5%
UCU34
UCC85
UCA98
UCG9
AGU6
AGC51
Pro P5.9%
CCU36
CCC80
CCA99
CCG8
Thr T9.2%
ACU59
ACC149
ACA135
ACG7
Ala A7.6%
GCU63
GCC118
GCA104
GCG5
Tyr Y2.9%
UAU31
UAC80
His H2.9%
CAU26
CAC85
Gln Q2.5%
CAA86
CAG10
Asn N3.4%
AAU18
AAC110
Lys K2.3%
AAA77
AAG9
Asp D1.6%
GAU16
GAC46
Glu E2.5%
GAA83
GAG11
Cys C0.7%
UGU11
UGC17
Trp W2.8%
UGA96
UGG11
Arg R1.9%
CGU11
CGC17
CGA37
CGG7
Gly G5.9%
GGU31
GGC72
GGA78
GGG43
Stop 0.3%
UAA6
UAG1
AGA1
AGG2

Genome map

38 annotated features in NC_025649.1

Hover, 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
  • D-loop1
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (45.2%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
Annotated features of Chroicocephalus ridibundus (NC_025649.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17171 bp+–
12S rRNARibosomal RNA721,036965 bp+49.3%
tRNA-ValTransfer RNA1,0361,10772 bp+–
16S rRNARibosomal RNA1,1082,7111,604 bp+45.1%
tRNA-Leu (UUR)Transfer RNA2,7022,77574 bp+–
ND1Protein-coding gene2,7793,756978 bp+46.3%
tRNA-IleTransfer RNA3,7553,82672 bp+–
tRNA-GlnTransfer RNA3,8363,90671 bp−–
tRNA-MetTransfer RNA3,9063,97469 bp+–
ND2Protein-coding gene3,9755,0131,039 bp+43.8%
tRNA-TrpTransfer RNA5,0145,08572 bp+–
tRNA-AlaTransfer RNA5,0875,15569 bp−–
tRNA-AsnTransfer RNA5,1585,23073 bp−–
tRNA-CysTransfer RNA5,2335,29967 bp−–
tRNA-TyrTransfer RNA5,2995,36971 bp−–
COX1Protein-coding gene5,3716,9211,551 bp+46.6%
tRNA-Ser (UCN)Transfer RNA6,9136,98674 bp−–
tRNA-AspTransfer RNA6,9897,05769 bp+–
COX2Protein-coding gene7,0597,742684 bp+46.6%
tRNA-LysTransfer RNA7,7447,81370 bp+–
ATP8Protein-coding gene7,8157,982168 bp+42.3%
ATP6Protein-coding gene7,9738,656684 bp+47.7%
COX3Protein-coding gene8,6569,439784 bp+46.4%
tRNA-GlyTransfer RNA9,4409,50869 bp+–
ND3Protein-coding gene9,5159,859345 bp+45.5%
tRNA-ArgTransfer RNA9,8649,93269 bp+–
ND4LProtein-coding gene9,93410,230297 bp+46.5%
ND4Protein-coding gene10,22411,6011,378 bp+45.9%
tRNA-HisTransfer RNA11,60211,67069 bp+–
tRNA-Ser (AGY)Transfer RNA11,67111,73666 bp+–
tRNA-Leu (CUN)Transfer RNA11,73611,80671 bp+–
ND5Protein-coding gene11,80713,6211,815 bp+44.6%
CYTBProtein-coding gene13,64114,7831,143 bp+45.8%
tRNA-ThrTransfer RNA14,78814,85770 bp+–
tRNA-ProTransfer RNA14,86514,93470 bp−–
ND6Protein-coding gene14,94315,464522 bp−46.7%
tRNA-GluTransfer RNA15,46815,53972 bp−–
D-loopControl region15,54016,8071,268 bp–40.5%