GC content
45.15%
Whole genome
Non-coding
2,552 bp
D-loop 2,453 bp

Where Barn swallow sits among 2,335 species

Whole-genome GC content against maximum lifespan. Barn swallow has the 1,163rd longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Barn swallow
  • This species
  • Other birds
  • Other classes

Base composition

Whole genome18,051 bp
GC skew (G − C) / (G + C)
−0.353
AT skew (A − T) / (A + T)
+0.136

Life history

Maximum lifespan
16 years
Adult weight
18.3 g
Birth weight
2.3 g
Basal metabolic rate
0.316 W
Female sexual maturity
365 days
Male sexual maturity
365 days
Gestation or incubation
15 days
Litter or clutch size
6
Litters per year
2
Postnatal growth rate
0.485 per day

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00929)

About this record

Lifespan source
AnAge build 15
Based on
an observed animal, origin not stated
Data quality
acceptable, medium 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 RefSeq
Whole genome18,051 bp
Protein-coding11,384 bp
12S rRNA972 bp
16S rRNA1,608 bp
All tRNA1,544 bp
D-loop2,453 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Hirundo rustica genes
Composition
ND1NADH dehydrogenase subunit 1978 bp28.1%26.6%14.7%30.6%45.30%−0.350+0.028
ND2NADH dehydrogenase subunit 21,040 bp32.6%24.3%10.4%32.7%43.08%−0.518+0.145
COX1Cytochrome c oxidase subunit I1,557 bp27.9%25.0%16.9%30.1%47.01%−0.281+0.055
COX2Cytochrome c oxidase subunit II684 bp32.2%21.8%15.4%30.7%46.05%−0.333+0.192
ATP8ATP synthase F0 subunit 8168 bp32.7%26.2%6.5%34.5%41.07%−0.681+0.111
ATP6ATP synthase F0 subunit 6684 bp31.6%25.0%9.9%33.5%43.42%−0.542+0.116
COX3Cytochrome c oxidase subunit III784 bp27.4%24.2%16.7%31.6%48.34%−0.309+0.062
ND3NADH dehydrogenase subunit 3351 bp30.8%26.2%11.4%31.6%43.02%−0.470+0.080
ND4LNADH dehydrogenase subunit 4L297 bp26.6%24.6%12.8%36.0%48.82%−0.476+0.039
ND4NADH dehydrogenase subunit 41,378 bp31.5%23.7%11.0%33.8%44.85%−0.508+0.142
ND5NADH dehydrogenase subunit 51,818 bp29.8%23.0%12.3%34.9%47.20%−0.480+0.129
ND6NADH dehydrogenase subunit 6519 bp42.6%11.8%9.8%35.5%45.46%−0.566+0.567
CYTBCytochrome b1,143 bp28.6%24.0%14.1%33.3%47.42%−0.406+0.088
12S rRNA12S ribosomal RNA972 bp31.7%20.2%21.5%26.6%48.15%−0.107+0.222
16S rRNA16S ribosomal RNA1,608 bp34.5%21.6%20.0%24.0%43.97%−0.092+0.230
D-loopControl region (D-loop)2,453 bp30.9%26.0%14.2%28.9%43.07%−0.341+0.085

Codon usage

Counts per codon, darker is more frequent

3,798 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.7%
UUU50
UUC165
Leu L17.1%
UUA66
UUG22
CUU51
CUC121
CUA334
CUG57
Ile I7.6%
AUU80
AUC209
Met M4.6%
AUA139
AUG37
Val V5.0%
GUU45
GUC46
GUA76
GUG24
Ser S7.6%
UCU34
UCC91
UCA94
UCG12
AGU12
AGC47
Pro P6.0%
CCU45
CCC62
CCA109
CCG11
Thr T8.6%
ACU60
ACC127
ACA121
ACG17
Ala A8.1%
GCU50
GCC152
GCA98
GCG9
Tyr Y3.1%
UAU29
UAC88
His H2.7%
CAU14
CAC90
Gln Q2.6%
CAA90
CAG7
Asn N3.5%
AAU20
AAC113
Lys K2.2%
AAA80
AAG5
Asp D1.7%
GAU16
GAC50
Glu E2.3%
GAA77
GAG9
Cys C0.8%
UGU6
UGC24
Trp W2.7%
UGA91
UGG13
Arg R1.9%
CGU7
CGC11
CGA50
CGG5
Gly G5.8%
GGU24
GGC52
GGA109
GGG35
Stop 0.3%
UAA6
UAG1
AGA0
AGG3

Genome map

39 annotated features in NC_050297.1

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-loop2
  • 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 39 features as a table
Annotated features of Hirundo rustica (NC_050297.1)
FeatureTypeStartEndLengthStrandGC
12S rRNARibosomal RNA1972972 bp+48.2%
tRNA-ValTransfer RNA9731,04270 bp+–
16S rRNARibosomal RNA1,0432,6501,608 bp+44.0%
tRNA-Leu (UUR)Transfer RNA2,6512,72575 bp+–
ND1Protein-coding gene2,7513,728978 bp+45.3%
tRNA-IleTransfer RNA3,7363,80671 bp+–
tRNA-GlnTransfer RNA3,8143,88572 bp−–
tRNA-MetTransfer RNA3,8853,95369 bp+–
ND2Protein-coding gene3,9544,9931,040 bp+43.1%
tRNA-TrpTransfer RNA4,9945,06471 bp+–
tRNA-AlaTransfer RNA5,0665,13469 bp−–
tRNA-AsnTransfer RNA5,1445,21673 bp−–
tRNA-CysTransfer RNA5,2175,28266 bp−–
tRNA-TyrTransfer RNA5,2835,35270 bp−–
COX1Protein-coding gene5,3546,9101,557 bp+47.0%
tRNA-Ser (UCN)Transfer RNA6,9026,97675 bp−–
tRNA-AspTransfer RNA6,9817,04969 bp+–
COX2Protein-coding gene7,0607,743684 bp+46.1%
tRNA-LysTransfer RNA7,7457,81571 bp+–
ATP8Protein-coding gene7,8177,984168 bp+41.1%
ATP6Protein-coding gene7,9758,658684 bp+43.4%
COX3Protein-coding gene8,6659,448784 bp+48.3%
tRNA-GlyTransfer RNA9,4499,51769 bp+–
ND3Protein-coding gene9,5189,868351 bp+43.0%
tRNA-ArgTransfer RNA9,8719,94070 bp+–
ND4LProtein-coding gene9,94210,238297 bp+48.8%
ND4Protein-coding gene10,23211,6091,378 bp+44.9%
tRNA-HisTransfer RNA11,61011,67869 bp+–
tRNA-Ser (AGY)Transfer RNA11,67911,74466 bp+–
tRNA-Leu (CUN)Transfer RNA11,74411,81471 bp+–
ND5Protein-coding gene11,81513,6321,818 bp+47.2%
CYTBProtein-coding gene13,64114,7831,143 bp+47.4%
tRNA-ThrTransfer RNA14,78814,85669 bp+–
D-loopControl region14,85716,0211,165 bp–43.1%
tRNA-ProTransfer RNA16,02216,09170 bp−–
ND6Protein-coding gene16,10316,621519 bp−45.5%
tRNA-GluTransfer RNA16,62316,69472 bp−–
D-loopControl region16,69517,9821,288 bp–43.1%
tRNA-PheTransfer RNA17,98318,05169 bp+–