Amazona ochrocephala

Yellow-crowned parrot

Maximum lifespan

56 yr

AnAge record

mtDNA size

18,909 bp

RefSeq NC_027840.1

GC content

46.07%

Whole genome

Non-coding

3,458 bp

D-loop 1 bp

Where Yellow-crowned parrot sits among 2,335 species

Whole-genome GC content against maximum lifespan. Yellow-crowned parrot has the 115th longest lifespan of them.

This species
Other birds
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome18,909 bp

GC skew (G − C) / (G + C): −0.381
AT skew (A − T) / (A + T): +0.116

Life history

Maximum lifespan: 56 years
Adult weight: 430 g
Postnatal growth rate: 0.158 per day

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 01506)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
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 genome18,909 bp

Protein-coding11,393 bp

12S rRNA967 bp

16S rRNA1,566 bp

All tRNA1,527 bp

D-loop1 bp

Genes and regions

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

Base composition of Amazona ochrocephala genes

ND1NADH dehydrogenase subunit 1	981 bp	28.0%	24.1%	11.9%	36.0%	47.91%	−0.502	+0.076
ND2NADH dehydrogenase subunit 2	1,040 bp	33.8%	21.3%	8.1%	36.7%	44.81%	−0.639	+0.226
COX1Cytochrome c oxidase subunit I	1,548 bp	27.6%	23.4%	16.8%	32.2%	48.97%	−0.314	+0.081
COX2Cytochrome c oxidase subunit II	684 bp	30.8%	23.4%	13.9%	31.9%	45.76%	−0.393	+0.137
ATP8ATP synthase F0 subunit 8	168 bp	39.3%	20.8%	4.8%	35.1%	39.88%	−0.761	+0.307
ATP6ATP synthase F0 subunit 6	684 bp	30.4%	23.4%	8.3%	37.9%	46.20%	−0.639	+0.130
COX3Cytochrome c oxidase subunit III	784 bp	29.3%	23.2%	14.3%	33.2%	47.45%	−0.398	+0.117
ND3NADH dehydrogenase subunit 3	350 bp	30.0%	24.3%	12.6%	33.1%	45.71%	−0.450	+0.105
ND4LNADH dehydrogenase subunit 4L	297 bp	29.0%	24.9%	12.8%	33.3%	46.13%	−0.445	+0.075
ND4NADH dehydrogenase subunit 4	1,393 bp	30.9%	22.1%	10.1%	36.8%	46.95%	−0.569	+0.166
ND5NADH dehydrogenase subunit 5	1,824 bp	33.2%	21.9%	11.7%	33.2%	44.90%	−0.480	+0.204
ND6NADH dehydrogenase subunit 6	519 bp	41.6%	9.4%	11.6%	37.2%	48.84%	−0.526	+0.630
CYTBCytochrome b	1,140 bp	27.1%	23.7%	13.9%	35.3%	49.17%	−0.436	+0.067
12S rRNA12S ribosomal RNA	967 bp	32.1%	17.3%	19.3%	31.3%	50.67%	−0.237	+0.300
16S rRNA16S ribosomal RNA	1,566 bp	34.6%	17.5%	18.5%	29.4%	47.89%	−0.227	+0.328
D-loopControl region (D-loop)	1 bp	0.0%	0.0%	0.0%	100.0%	100.00%	−1.000	–

Codon usage

Counts per codon, darker is more frequent

Gene

3,800 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.7%

UUU53

UUC163

Leu L17.2%

UUA52

UUG19

CUU53

CUC165

CUA323

CUG41

Ile I7.5%

AUU65

AUC219

Met M4.6%

AUA148

AUG27

Val V4.0%

GUU21

GUC49

GUA58

GUG25

Ser S7.8%

UCU41

UCC93

UCA98

UCG6

AGU12

AGC46

Pro P6.3%

CCU23

CCC101

CCA107

CCG9

Thr T10.4%

ACU32

ACC180

ACA169

ACG13

Ala A7.2%

GCU38

GCC149

GCA79

GCG9

Tyr Y3.0%

UAU24

UAC89

His H2.5%

CAU15

CAC81

Gln Q2.6%

CAA92

CAG6

Asn N3.6%

AAU19

AAC119

Lys K2.3%

AAA80

AAG9

Asp D1.6%

GAU12

GAC48

Glu E2.4%

GAA78

GAG15

Cys C0.7%

UGU6

UGC21

Trp W2.9%

UGA90

UGG19

Arg R1.8%

CGU5

CGC18

CGA40

CGG5

Gly G5.6%

GGU26

GGC53

GGA95

GGG40

Stop 0.2%

UAA6

UAG1

AGA0

AGG2

Genome map

38 annotated features in NC_027840.1

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 (46.1%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Amazona ochrocephala (NC_027840.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1,698	1,762	65 bp	+	–
12S rRNA	Ribosomal RNA	1,763	2,729	967 bp	+	50.7%
tRNA-Val	Transfer RNA	2,730	2,801	72 bp	+	–
16S rRNA	Ribosomal RNA	2,803	4,368	1,566 bp	+	47.9%
tRNA-Leu (UUR)	Transfer RNA	4,369	4,443	75 bp	+	–
ND1	Protein-coding gene	4,450	5,430	981 bp	+	47.9%
tRNA-Ile	Transfer RNA	5,429	5,500	72 bp	+	–
tRNA-Gln	Transfer RNA	5,508	5,578	71 bp	−	–
tRNA-Met	Transfer RNA	5,579	5,646	68 bp	+	–
ND2	Protein-coding gene	5,647	6,686	1,040 bp	+	44.8%
tRNA-Trp	Transfer RNA	6,687	6,756	70 bp	+	–
tRNA-Ala	Transfer RNA	6,758	6,826	69 bp	−	–
tRNA-Asn	Transfer RNA	6,828	6,901	74 bp	−	–
tRNA-Cys	Transfer RNA	6,904	6,970	67 bp	−	–
tRNA-Tyr	Transfer RNA	6,971	7,040	70 bp	−	–
COX1	Protein-coding gene	7,050	8,597	1,548 bp	+	49.0%
tRNA-Ser (UCN)	Transfer RNA	8,598	8,663	66 bp	−	–
tRNA-Asp	Transfer RNA	8,667	8,735	69 bp	+	–
COX2	Protein-coding gene	8,738	9,421	684 bp	+	45.8%
tRNA-Lys	Transfer RNA	9,423	9,491	69 bp	+	–
ATP8	Protein-coding gene	9,493	9,660	168 bp	+	39.9%
ATP6	Protein-coding gene	9,651	10,334	684 bp	+	46.2%
COX3	Protein-coding gene	10,334	11,117	784 bp	+	47.5%
tRNA-Gly	Transfer RNA	11,118	11,185	68 bp	+	–
ND3	Protein-coding gene	11,186	11,536	351 bp	+	45.7%
tRNA-Arg	Transfer RNA	11,537	11,605	69 bp	+	–
ND4L	Protein-coding gene	11,607	11,903	297 bp	+	46.1%
ND4	Protein-coding gene	11,897	13,289	1,393 bp	+	47.0%
tRNA-His	Transfer RNA	13,290	13,358	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	13,359	13,424	66 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	13,425	13,494	70 bp	+	–
ND5	Protein-coding gene	13,495	15,318	1,824 bp	+	44.9%
CYTB	Protein-coding gene	15,318	16,457	1,140 bp	+	49.2%
tRNA-Thr	Transfer RNA	16,458	16,526	69 bp	+	–
tRNA-Pro	Transfer RNA	18,248	18,317	70 bp	−	–
ND6	Protein-coding gene	18,321	18,839	519 bp	−	48.8%
tRNA-Glu	Transfer RNA	18,841	18,909	69 bp	−	–
D-loop	Control region	18,909	18,909	1 bp	–	100.0%