Alcedo atthis

Common kingfisher

Maximum lifespan

21 yr

AnAge record

mtDNA size

17,383 bp

RefSeq NC_035868.1

GC content

44.74%

Whole genome

Non-coding

1,917 bp

D-loop 1,918 bp

Where Common kingfisher sits among 2,335 species

Whole-genome GC content against maximum lifespan. Common kingfisher has the 847th longest lifespan of them.

This species
Other birds
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome17,383 bp

GC skew (G − C) / (G + C): −0.383
AT skew (A − T) / (A + T): +0.085

Life history

Maximum lifespan: 21 years
Adult weight: 31.4 g
Basal metabolic rate: 0.378 W
Female sexual maturity: 365 days
Male sexual maturity: 365 days

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00613)

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: 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 genome17,383 bp

Protein-coding11,376 bp

12S rRNA974 bp

16S rRNA1,588 bp

All tRNA1,539 bp

D-loop1,918 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Alcedo atthis genes

ND1NADH dehydrogenase subunit 1	978 bp	26.9%	27.1%	12.9%	33.1%	46.01%	−0.440	−0.004
ND2NADH dehydrogenase subunit 2	1,039 bp	31.7%	24.2%	10.1%	34.1%	44.18%	−0.542	+0.134
COX1Cytochrome c oxidase subunit I	1,551 bp	27.3%	24.8%	15.7%	32.2%	47.91%	−0.346	+0.047
COX2Cytochrome c oxidase subunit II	684 bp	30.1%	24.4%	13.9%	31.6%	45.47%	−0.389	+0.105
ATP8ATP synthase F0 subunit 8	168 bp	36.3%	24.4%	6.5%	32.7%	39.29%	−0.667	+0.196
ATP6ATP synthase F0 subunit 6	684 bp	28.9%	27.0%	10.2%	33.8%	44.01%	−0.535	+0.034
COX3Cytochrome c oxidase subunit III	784 bp	28.7%	28.1%	14.7%	28.6%	43.24%	−0.322	+0.011
ND3NADH dehydrogenase subunit 3	351 bp	25.1%	30.2%	12.5%	32.2%	44.73%	−0.439	−0.093
ND4LNADH dehydrogenase subunit 4L	297 bp	27.6%	26.6%	14.1%	31.6%	45.79%	−0.382	+0.019
ND4NADH dehydrogenase subunit 4	1,378 bp	28.6%	26.6%	9.9%	34.9%	44.85%	−0.557	+0.037
ND5NADH dehydrogenase subunit 5	1,815 bp	30.7%	24.3%	10.8%	34.2%	44.96%	−0.520	+0.117
ND6NADH dehydrogenase subunit 6	522 bp	37.7%	10.7%	9.8%	41.8%	51.53%	−0.621	+0.557
CYTBCytochrome b	1,143 bp	27.1%	27.2%	12.2%	33.5%	45.67%	−0.467	−0.002
12S rRNA12S ribosomal RNA	974 bp	31.9%	19.7%	19.8%	28.5%	48.36%	−0.180	+0.237
16S rRNA16S ribosomal RNA	1,588 bp	33.9%	21.3%	18.2%	26.5%	44.71%	−0.186	+0.228
D-loopControl region (D-loop)	1,918 bp	27.7%	32.1%	15.6%	24.6%	40.20%	−0.224	−0.072

Codon usage

Counts per codon, darker is more frequent

Gene

3,797 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.8%

UUU78

UUC141

Leu L18.1%

UUA85

UUG29

CUU107

CUC165

CUA269

CUG34

Ile I7.3%

AUU102

AUC176

Met M4.4%

AUA135

AUG31

Val V4.5%

GUU35

GUC47

GUA74

GUG16

Ser S7.5%

UCU38

UCC109

UCA79

UCG7

AGU10

AGC41

Pro P6.0%

CCU40

CCC79

CCA98

CCG11

Thr T9.2%

ACU55

ACC155

ACA131

ACG9

Ala A7.6%

GCU51

GCC138

GCA89

GCG10

Tyr Y2.9%

UAU38

UAC72

His H2.7%

CAU25

CAC79

Gln Q2.6%

CAA88

CAG9

Asn N3.6%

AAU35

AAC102

Lys K2.3%

AAA79

AAG9

Asp D1.6%

GAU11

GAC50

Glu E2.6%

GAA88

GAG10

Cys C0.7%

UGU9

UGC16

Trp W2.8%

UGA88

UGG19

Arg R1.8%

CGU3

CGC22

CGA39

CGG5

Gly G5.7%

GGU34

GGC82

GGA69

GGG32

Stop 0.3%

UAA7

UAG1

AGA0

AGG2

Genome map

38 annotated features in NC_035868.1

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 (44.7%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Alcedo atthis (NC_035868.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	64	64 bp	+	–
12S rRNA	Ribosomal RNA	65	1,038	974 bp	+	48.4%
tRNA-Val	Transfer RNA	1,039	1,109	71 bp	+	–
16S rRNA	Ribosomal RNA	1,110	2,697	1,588 bp	+	44.7%
tRNA-Leu (UUR)	Transfer RNA	2,698	2,771	74 bp	+	–
ND1	Protein-coding gene	2,781	3,758	978 bp	+	46.0%
tRNA-Ile	Transfer RNA	3,757	3,828	72 bp	+	–
tRNA-Gln	Transfer RNA	3,837	3,907	71 bp	−	–
tRNA-Met	Transfer RNA	3,908	3,975	68 bp	+	–
ND2	Protein-coding gene	3,976	5,014	1,039 bp	+	44.2%
tRNA-Trp	Transfer RNA	5,015	5,086	72 bp	+	–
tRNA-Ala	Transfer RNA	5,088	5,156	69 bp	−	–
tRNA-Asn	Transfer RNA	5,169	5,242	74 bp	−	–
tRNA-Cys	Transfer RNA	5,245	5,311	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,311	5,381	71 bp	−	–
COX1	Protein-coding gene	5,383	6,933	1,551 bp	+	47.9%
tRNA-Ser (UCN)	Transfer RNA	6,925	6,998	74 bp	−	–
tRNA-Asp	Transfer RNA	7,002	7,070	69 bp	+	–
COX2	Protein-coding gene	7,072	7,755	684 bp	+	45.5%
tRNA-Lys	Transfer RNA	7,758	7,827	70 bp	+	–
ATP8	Protein-coding gene	7,830	7,997	168 bp	+	39.3%
ATP6	Protein-coding gene	7,988	8,671	684 bp	+	44.0%
COX3	Protein-coding gene	8,671	9,454	784 bp	+	43.2%
tRNA-Gly	Transfer RNA	9,455	9,523	69 bp	+	–
ND3	Protein-coding gene	9,524	9,875	352 bp	+	44.7%
tRNA-Arg	Transfer RNA	9,878	9,947	70 bp	+	–
ND4L	Protein-coding gene	9,949	10,245	297 bp	+	45.8%
ND4	Protein-coding gene	10,239	11,616	1,378 bp	+	44.9%
tRNA-His	Transfer RNA	11,617	11,686	70 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,687	11,751	65 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,752	11,823	72 bp	+	–
ND5	Protein-coding gene	11,824	13,638	1,815 bp	+	45.0%
CYTB	Protein-coding gene	13,649	14,791	1,143 bp	+	45.7%
tRNA-Thr	Transfer RNA	14,793	14,861	69 bp	+	–
tRNA-Pro	Transfer RNA	14,864	14,933	70 bp	−	–
ND6	Protein-coding gene	14,942	15,463	522 bp	−	51.5%
tRNA-Glu	Transfer RNA	15,465	15,533	69 bp	−	–
D-loop	Control region	15,466	17,383	1,918 bp	–	40.2%