Calidris ruficollis

Red-necked stint

Maximum lifespan

21.8 yr

AnAge record

mtDNA size

16,860 bp

RefSeq NC_040990.1

GC content

43.34%

Whole genome

Non-coding

1,406 bp

D-loop 1,328 bp

Where Red-necked stint sits among 2,335 species

Whole-genome GC content against maximum lifespan. Red-necked stint has the 814th longest lifespan of them.

This species
Other birds
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,860 bp

GC skew (G − C) / (G + C): −0.378
AT skew (A − T) / (A + T): +0.125

Life history

Maximum lifespan: 21.8 years
Adult weight: 27 g

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00529)

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 RefSeq

Whole genome16,860 bp

Protein-coding11,378 bp

12S rRNA969 bp

16S rRNA1,574 bp

All tRNA1,546 bp

D-loop1,328 bp

Genes and regions

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

Base composition of Calidris ruficollis genes

ND1NADH dehydrogenase subunit 1	978 bp	27.4%	28.9%	13.2%	30.5%	43.66%	−0.396	−0.027
ND2NADH dehydrogenase subunit 2	1,041 bp	32.8%	25.1%	10.1%	32.1%	42.17%	−0.522	+0.133
COX1Cytochrome c oxidase subunit I	1,551 bp	27.3%	27.8%	16.2%	28.7%	44.94%	−0.277	−0.009
COX2Cytochrome c oxidase subunit II	684 bp	30.3%	25.1%	14.8%	29.8%	44.59%	−0.338	+0.092
ATP8ATP synthase F0 subunit 8	168 bp	37.5%	23.8%	4.2%	34.5%	38.69%	−0.785	+0.223
ATP6ATP synthase F0 subunit 6	684 bp	27.9%	25.6%	9.6%	36.8%	46.49%	−0.585	+0.044
COX3Cytochrome c oxidase subunit III	784 bp	29.6%	26.3%	14.4%	29.7%	44.13%	−0.347	+0.059
ND3NADH dehydrogenase subunit 3	351 bp	30.8%	25.1%	11.4%	32.8%	44.16%	−0.484	+0.102
ND4LNADH dehydrogenase subunit 4L	297 bp	27.3%	29.0%	13.1%	26.3%	41.20%	−0.333	−0.030
ND4NADH dehydrogenase subunit 4	1,378 bp	32.5%	24.7%	9.7%	33.2%	42.82%	−0.549	+0.137
ND5NADH dehydrogenase subunit 5	1,815 bp	32.5%	23.4%	11.7%	32.5%	44.13%	−0.471	+0.162
ND6NADH dehydrogenase subunit 6	522 bp	43.3%	12.1%	8.4%	36.2%	44.64%	−0.622	+0.564
CYTBCytochrome b	1,143 bp	29.3%	25.0%	12.0%	33.7%	45.67%	−0.475	+0.079
12S rRNA12S ribosomal RNA	969 bp	31.3%	22.0%	20.1%	26.6%	46.75%	−0.139	+0.174
16S rRNA16S ribosomal RNA	1,574 bp	34.8%	23.0%	18.1%	24.1%	42.25%	−0.143	+0.204
D-loopControl region (D-loop)	1,328 bp	36.9%	25.4%	11.8%	25.9%	37.73%	−0.373	+0.185

Codon usage

Counts per codon, darker is more frequent

Gene

3,789 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.8%

UUU61

UUC160

Leu L17.6%

UUA101

UUG26

CUU58

CUC145

CUA307

CUG30

Ile I7.7%

AUU103

AUC188

Met M4.6%

AUA144

AUG31

Val V4.5%

GUU42

GUC40

GUA71

GUG16

Ser S7.4%

UCU54

UCC67

UCA101

UCG5

AGU8

AGC47

Pro P5.7%

CCU41

CCC57

CCA117

CCG1

Thr T9.2%

ACU69

ACC145

ACA130

ACG6

Ala A7.6%

GCU64

GCC119

GCA97

GCG9

Tyr Y3.1%

UAU35

UAC81

His H2.8%

CAU31

CAC75

Gln Q2.5%

CAA85

CAG8

Asn N3.5%

AAU27

AAC105

Lys K2.3%

AAA79

AAG8

Asp D1.6%

GAU15

GAC47

Glu E2.5%

GAA79

GAG14

Cys C0.8%

UGU7

UGC22

Trp W2.8%

UGA98

UGG9

Arg R1.9%

CGU8

CGC21

CGA40

CGG2

Gly G5.9%

GGU34

GGC61

GGA97

GGG30

Stop 0.3%

UAA7

UAG1

AGA1

AGG2

Genome map

38 annotated features in NC_040990.1

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 (43.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Calidris ruficollis (NC_040990.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	72	72 bp	+	–
12S rRNA	Ribosomal RNA	73	1,041	969 bp	+	46.8%
tRNA-Val	Transfer RNA	1,042	1,113	72 bp	+	–
16S rRNA	Ribosomal RNA	1,114	2,687	1,574 bp	+	42.3%
tRNA-Leu (UUR)	Transfer RNA	2,688	2,761	74 bp	+	–
ND1	Protein-coding gene	2,777	3,754	978 bp	+	43.7%
tRNA-Ile	Transfer RNA	3,753	3,824	72 bp	+	–
tRNA-Gln	Transfer RNA	3,831	3,901	71 bp	−	–
tRNA-Met	Transfer RNA	3,900	3,969	70 bp	+	–
ND2	Protein-coding gene	3,970	5,010	1,041 bp	+	42.2%
tRNA-Trp	Transfer RNA	5,009	5,077	69 bp	+	–
tRNA-Ala	Transfer RNA	5,079	5,147	69 bp	−	–
tRNA-Asn	Transfer RNA	5,150	5,222	73 bp	−	–
tRNA-Cys	Transfer RNA	5,225	5,291	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,291	5,361	71 bp	−	–
COX1	Protein-coding gene	5,363	6,913	1,551 bp	+	44.9%
tRNA-Ser (UCN)	Transfer RNA	6,905	6,978	74 bp	−	–
tRNA-Asp	Transfer RNA	6,981	7,049	69 bp	+	–
COX2	Protein-coding gene	7,051	7,734	684 bp	+	44.6%
tRNA-Lys	Transfer RNA	7,736	7,806	71 bp	+	–
ATP8	Protein-coding gene	7,808	7,975	168 bp	+	38.7%
ATP6	Protein-coding gene	7,966	8,649	684 bp	+	46.5%
COX3	Protein-coding gene	8,649	9,432	784 bp	+	44.1%
tRNA-Gly	Transfer RNA	9,433	9,501	69 bp	+	–
ND3	Protein-coding gene	9,502	9,853	352 bp	+	44.2%
tRNA-Arg	Transfer RNA	9,858	9,926	69 bp	+	–
ND4L	Protein-coding gene	9,928	10,224	297 bp	+	41.2%
ND4	Protein-coding gene	10,218	11,595	1,378 bp	+	42.8%
tRNA-His	Transfer RNA	11,596	11,664	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,665	11,730	66 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,730	11,800	71 bp	+	–
ND5	Protein-coding gene	11,801	13,615	1,815 bp	+	44.1%
CYTB	Protein-coding gene	13,627	14,769	1,143 bp	+	45.7%
tRNA-Thr	Transfer RNA	14,772	14,841	70 bp	+	–
tRNA-Pro	Transfer RNA	14,855	14,924	70 bp	−	–
ND6	Protein-coding gene	14,936	15,457	522 bp	−	44.6%
tRNA-Glu	Transfer RNA	15,461	15,532	72 bp	−	–
D-loop	Control region	15,533	16,860	1,328 bp	–	37.7%