Mareca americana
American wigeon
GC content
48.83%
Whole genome
Non-coding
1,087 bp
Including the D-loop
Where American wigeon sits among 2,335 species
Whole-genome GC content against maximum lifespan. American wigeon has the 826th longest lifespan of them.
- This species
- Other birds
- Other classes
Base composition
Whole genome16,596 bp
- GC skew (G − C) / (G + C)
- −0.340
- AT skew (A − T) / (A + T)
- +0.128
Life history
- Maximum lifespan
- 21.3 years
- Adult weight
- 793.8 g
- Birth weight
- 24 g
- Female sexual maturity
- 365 days
- Male sexual maturity
- 365 days
- Gestation or incubation
- 23 days
- Litter or clutch size
- 9
- Litters per year
- 1
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00290)
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 genome16,596 bp
Protein-coding11,387 bp
12S rRNA984 bp
16S rRNA1,604 bp
All tRNA1,545 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 978 bp | 50.00% | −0.374 | +0.027 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,039 bp | 49.28% | −0.477 | +0.150 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 50.87% | −0.293 | +0.037 | |||||
| COX2Cytochrome c oxidase subunit II | 687 bp | 48.47% | −0.321 | +0.119 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 44.05% | −0.703 | +0.298 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 50.00% | −0.515 | +0.111 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 51.02% | −0.350 | +0.057 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 52.71% | −0.341 | −0.012 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 53.54% | −0.371 | +0.058 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 48.77% | −0.464 | +0.110 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,824 bp | 49.62% | −0.406 | +0.140 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 51.92% | −0.506 | +0.562 | |||||
| CYTBCytochrome b | 1,143 bp | 49.26% | −0.393 | +0.028 | |||||
| 12S rRNA12S ribosomal RNA | 984 bp | 49.29% | −0.151 | +0.246 | |||||
| 16S rRNA16S ribosomal RNA | 1,604 bp | 45.82% | −0.127 | +0.266 |
Codon usage
Counts per codon, darker is more frequent3,801 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.8%
UUU60
UUC162
Leu L17.5%
UUA40
UUG19
CUU48
CUC169
CUA282
CUG107
Ile I7.4%
AUU70
AUC211
Met M4.4%
AUA117
AUG49
Val V5.1%
GUU31
GUC58
GUA69
GUG37
Ser S7.3%
UCU25
UCC92
UCA87
UCG16
AGU4
AGC55
Pro P6.1%
CCU19
CCC102
CCA93
CCG16
Thr T8.2%
ACU39
ACC148
ACA111
ACG15
Ala A8.8%
GCU37
GCC193
GCA93
GCG12
Tyr Y2.8%
UAU20
UAC86
His H2.9%
CAU9
CAC101
Gln Q2.4%
CAA66
CAG25
Asn N3.2%
AAU19
AAC102
Lys K2.4%
AAA78
AAG13
Asp D1.6%
GAU8
GAC53
Glu E2.5%
GAA68
GAG28
Cys C0.7%
UGU2
UGC26
Trp W2.8%
UGA87
UGG20
Arg R1.9%
CGU5
CGC15
CGA39
CGG14
Gly G5.8%
GGU9
GGC75
GGA71
GGG66
Stop 0.3%
UAA7
UAG1
AGA0
AGG2
Genome map
37 annotated features in NC_088449.1Hover, 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 (48.8%, 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 |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,054 | 984 bp | + | 49.3% |
| tRNA-Val | Transfer RNA | 1,055 | 1,125 | 71 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,126 | 2,729 | 1,604 bp | + | 45.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,730 | 2,803 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,808 | 3,785 | 978 bp | + | 50.0% |
| tRNA-Ile | Transfer RNA | 3,784 | 3,855 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,863 | 3,933 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,933 | 4,001 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,002 | 5,040 | 1,039 bp | + | 49.3% |
| tRNA-Trp | Transfer RNA | 5,041 | 5,116 | 76 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,120 | 5,188 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,190 | 5,262 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,263 | 5,328 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,328 | 5,398 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,400 | 6,950 | 1,551 bp | + | 50.9% |
| tRNA-Ser (UCN) | Transfer RNA | 6,942 | 7,014 | 73 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,017 | 7,085 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,087 | 7,773 | 687 bp | + | 48.5% |
| tRNA-Lys | Transfer RNA | 7,775 | 7,843 | 69 bp | + | – |
| ATP8 | Protein-coding gene | 7,845 | 8,012 | 168 bp | + | 44.1% |
| ATP6 | Protein-coding gene | 8,003 | 8,686 | 684 bp | + | 50.0% |
| COX3 | Protein-coding gene | 8,686 | 9,469 | 784 bp | + | 51.0% |
| tRNA-Gly | Transfer RNA | 9,470 | 9,538 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,539 | 9,890 | 352 bp | + | 52.7% |
| tRNA-Arg | Transfer RNA | 9,892 | 9,961 | 70 bp | + | – |
| ND4L | Protein-coding gene | 9,962 | 10,258 | 297 bp | + | 53.5% |
| ND4 | Protein-coding gene | 10,252 | 11,629 | 1,378 bp | + | 48.8% |
| tRNA-His | Transfer RNA | 11,630 | 11,698 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,699 | 11,764 | 66 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,764 | 11,834 | 71 bp | + | – |
| ND5 | Protein-coding gene | 11,835 | 13,658 | 1,824 bp | + | 49.6% |
| CYTB | Protein-coding gene | 13,658 | 14,800 | 1,143 bp | + | 49.3% |
| tRNA-Thr | Transfer RNA | 14,803 | 14,871 | 69 bp | + | – |
| tRNA-Pro | Transfer RNA | 14,881 | 14,950 | 70 bp | − | – |
| ND6 | Protein-coding gene | 14,961 | 15,482 | 522 bp | − | 51.9% |
| tRNA-Glu | Transfer RNA | 15,483 | 15,553 | 71 bp | − | – |