MitoAge

Melanitta americana

Black Scoter

Add to compare Download FASTA
Maximum lifespan
21.5 yr
USGS longevity records
mtDNA size
16,619 bp
RefSeq NC_088450.1
GC content
49.40%
Whole genome
Non-coding
1,103 bp
D-loop 1,059 bp

Where Black Scoter sits among 2,335 species

Whole-genome GC content against maximum lifespan. Black Scoter has the 822nd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Black Scoter
  • This species
  • Other birds
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,619 bp
GC skew (G − C) / (G + C)
−0.349
AT skew (A − T) / (A + T)
+0.139

Life history

Maximum lifespan
21.5 years

Lifespan from USGS Bird Banding Laboratory · USGS longevity records

About this record

Lifespan source
NABBP Longevity Records v2025.1
Based on
an animal in the wild
Data quality
acceptable
Licence
U.S. Government work
Status
New in build 2
In the database since
build 2 (2026-11-13)
  • Provisional: the EURING list could not be retrieved, so the USGS record is used.

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

Composition by region

Reference (L) strand as deposited in RefSeq
Whole genome16,619 bp
Protein-coding11,387 bp
12S rRNA995 bp
16S rRNA1,601 bp
All tRNA1,544 bp
D-loop1,059 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1978 bp24.6%23.7%16.4%35.3%51.64%−0.366+0.019
ND2NADH dehydrogenase subunit 21,039 bp29.3%20.8%12.8%37.2%49.95%−0.487+0.169
COX1Cytochrome c oxidase subunit I1,551 bp25.1%23.5%17.9%33.5%51.39%−0.305+0.034
COX2Cytochrome c oxidase subunit II687 bp27.2%21.8%17.3%33.6%50.95%−0.320+0.110
ATP8ATP synthase F0 subunit 8168 bp34.5%18.5%8.3%38.7%47.02%−0.646+0.303
ATP6ATP synthase F0 subunit 6684 bp27.2%22.1%12.9%37.9%50.73%−0.493+0.104
COX3Cytochrome c oxidase subunit III784 bp24.9%22.8%17.9%34.4%52.30%−0.317+0.043
ND3NADH dehydrogenase subunit 3351 bp25.4%25.1%14.0%35.6%49.57%−0.437+0.006
ND4LNADH dehydrogenase subunit 4L297 bp24.6%22.6%16.8%36.0%52.86%−0.363+0.043
ND4NADH dehydrogenase subunit 41,378 bp29.2%21.6%12.6%36.5%49.13%−0.486+0.150
ND5NADH dehydrogenase subunit 51,824 bp28.8%20.9%14.5%35.8%50.27%−0.424+0.160
ND6NADH dehydrogenase subunit 6522 bp34.1%8.6%10.7%33.7%50.99%−0.517+0.596
CYTBCytochrome b1,143 bp25.6%23.5%15.3%35.5%50.83%−0.398+0.043
12S rRNA12S ribosomal RNA995 bp31.2%19.2%20.9%28.7%49.65%−0.158+0.238
16S rRNA16S ribosomal RNA1,601 bp34.4%20.0%20.0%25.5%45.53%−0.122+0.264
D-loopControl region (D-loop)1,059 bp27.3%23.9%16.0%32.9%48.82%−0.346+0.066

Codon usage

Counts per codon, darker is more frequent

3,778 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.8%
UUU50
UUC169
Leu L17.5%
UUA37
UUG11
CUU41
CUC175
CUA298
CUG99
Ile I7.0%
AUU58
AUC207
Met M4.3%
AUA105
AUG59
Val V5.3%
GUU37
GUC68
GUA66
GUG31
Ser S7.2%
UCU25
UCC90
UCA83
UCG17
AGU4
AGC52
Pro P6.2%
CCU19
CCC102
CCA92
CCG23
Thr T8.4%
ACU31
ACC161
ACA110
ACG15
Ala A8.9%
GCU29
GCC202
GCA89
GCG16
Tyr Y2.7%
UAU21
UAC81
His H2.9%
CAU8
CAC103
Gln Q2.4%
CAA69
CAG23
Asn N3.2%
AAU16
AAC106
Lys K2.4%
AAA74
AAG15
Asp D1.6%
GAU10
GAC50
Glu E2.5%
GAA65
GAG28
Cys C0.7%
UGU2
UGC26
Trp W2.8%
UGA85
UGG21
Arg R2.0%
CGU2
CGC19
CGA41
CGG12
Gly G5.8%
GGU10
GGC85
GGA77
GGG48
Stop 0.3%
UAA7
UAG1
AGA0
AGG2

Genome map

38 annotated features in NC_088450.1

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 (49.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
D-loopControl region11,0591,059 bp–48.8%
tRNA-PheTransfer RNA1,0601,12970 bp+–
12S rRNARibosomal RNA1,1302,124995 bp+49.7%
tRNA-ValTransfer RNA2,1252,19773 bp+–
16S rRNARibosomal RNA2,1983,7981,601 bp+45.5%
tRNA-Leu (UUR)Transfer RNA3,7993,87274 bp+–
ND1Protein-coding gene3,8794,856978 bp+51.6%
tRNA-IleTransfer RNA4,8554,92773 bp+–
tRNA-GlnTransfer RNA4,9355,00571 bp−–
tRNA-MetTransfer RNA5,0055,07369 bp+–
ND2Protein-coding gene5,0746,1121,039 bp+50.0%
tRNA-TrpTransfer RNA6,1136,18876 bp+–
tRNA-AlaTransfer RNA6,1926,26069 bp−–
tRNA-AsnTransfer RNA6,2626,33473 bp−–
tRNA-CysTransfer RNA6,3356,39965 bp−–
tRNA-TyrTransfer RNA6,4006,47071 bp−–
COX1Protein-coding gene6,4728,0221,551 bp+51.4%
tRNA-Ser (UCN)Transfer RNA8,0148,08673 bp−–
tRNA-AspTransfer RNA8,0898,15769 bp+–
COX2Protein-coding gene8,1598,845687 bp+51.0%
tRNA-LysTransfer RNA8,8478,91569 bp+–
ATP8Protein-coding gene8,9179,084168 bp+47.0%
ATP6Protein-coding gene9,0759,758684 bp+50.7%
COX3Protein-coding gene9,75810,541784 bp+52.3%
tRNA-GlyTransfer RNA10,54210,61069 bp+–
ND3Protein-coding gene10,61110,962352 bp+49.6%
tRNA-ArgTransfer RNA10,96411,03370 bp+–
ND4LProtein-coding gene11,03411,330297 bp+52.9%
ND4Protein-coding gene11,32412,7011,378 bp+49.1%
tRNA-HisTransfer RNA12,70212,77069 bp+–
tRNA-Ser (AGY)Transfer RNA12,77112,83464 bp+–
tRNA-Leu (CUN)Transfer RNA12,83512,90571 bp+–
ND5Protein-coding gene12,90614,7291,824 bp+50.3%
CYTBProtein-coding gene14,72915,8711,143 bp+50.8%
tRNA-ThrTransfer RNA15,87415,94269 bp+–
tRNA-ProTransfer RNA15,95016,01970 bp−–
ND6Protein-coding gene16,03016,551522 bp−51.0%
tRNA-GluTransfer RNA16,55216,61968 bp−–

Downloads