Lanius ludovicianus
Loggerhead shrike
GC content
43.85%
Whole genome
Non-coding
1,457 bp
Including the D-loop
Where Loggerhead shrike sits among 2,335 species
Whole-genome GC content against maximum lifespan. Loggerhead shrike has the 1,390th longest lifespan of them.
- This species
- Other birds
- Other classes
Base composition
Whole genome16,947 bp
- GC skew (G − C) / (G + C)
- −0.321
- AT skew (A − T) / (A + T)
- +0.094
Life history
- Maximum lifespan
- 12.5 years
- Adult weight
- 46 g
- Birth weight
- 3.2 g
- Female sexual maturity
- 365 days
- Male sexual maturity
- 365 days
- Gestation or incubation
- 11 days
- Litter or clutch size
- 5
- Litters per year
- 2
- Postnatal growth rate
- 0.45 per day
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 00963)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, small 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 genome16,947 bp
Protein-coding11,381 bp
12S rRNA975 bp
16S rRNA1,603 bp
All tRNA1,543 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 978 bp | 46.01% | −0.329 | +0.008 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,041 bp | 45.15% | −0.468 | +0.044 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 43.84% | −0.256 | +0.045 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 46.28% | −0.306 | +0.060 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 40.48% | −0.676 | +0.160 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 43.57% | −0.456 | +0.119 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 47.39% | −0.312 | −0.007 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 45.30% | −0.371 | +0.094 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 49.16% | −0.452 | +0.020 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 43.76% | −0.499 | +0.120 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,818 bp | 43.34% | −0.409 | +0.109 | |||||
| ND6NADH dehydrogenase subunit 6 | 519 bp | 47.78% | −0.476 | +0.432 | |||||
| CYTBCytochrome b | 1,143 bp | 43.75% | −0.400 | +0.039 | |||||
| 12S rRNA12S ribosomal RNA | 975 bp | 48.31% | −0.108 | +0.175 | |||||
| 16S rRNA16S ribosomal RNA | 1,603 bp | 42.55% | −0.065 | +0.223 |
Codon usage
Counts per codon, darker is more frequent3,798 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.9%
UUU53
UUC170
Leu L17.3%
UUA67
UUG6
CUU73
CUC95
CUA336
CUG79
Ile I8.1%
AUU117
AUC192
Met M4.6%
AUA128
AUG47
Val V5.1%
GUU35
GUC51
GUA78
GUG30
Ser S7.8%
UCU57
UCC75
UCA92
UCG8
AGU10
AGC53
Pro P5.9%
CCU47
CCC44
CCA124
CCG10
Thr T7.7%
ACU58
ACC107
ACA119
ACG10
Ala A8.0%
GCU58
GCC139
GCA96
GCG11
Tyr Y3.0%
UAU30
UAC84
His H2.7%
CAU27
CAC74
Gln Q2.5%
CAA88
CAG7
Asn N3.2%
AAU39
AAC83
Lys K2.4%
AAA83
AAG8
Asp D1.9%
GAU23
GAC48
Glu E2.4%
GAA76
GAG14
Cys C0.8%
UGU5
UGC24
Trp W2.8%
UGA98
UGG8
Arg R1.9%
CGU13
CGC4
CGA45
CGG11
Gly G5.8%
GGU19
GGC58
GGA104
GGG40
Stop 0.3%
UAA6
UAG1
AGA2
AGG1
Genome map
37 annotated features in NC_051030.1Hover, 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 (43.8%, 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 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 68 | 1,042 | 975 bp | + | 48.3% |
| tRNA-Val | Transfer RNA | 1,042 | 1,111 | 70 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,112 | 2,714 | 1,603 bp | + | 42.6% |
| tRNA-Leu (UUR) | Transfer RNA | 2,715 | 2,789 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,797 | 3,774 | 978 bp | + | 46.0% |
| tRNA-Ile | Transfer RNA | 3,782 | 3,852 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,858 | 3,928 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,928 | 3,996 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,997 | 5,037 | 1,041 bp | + | 45.2% |
| tRNA-Trp | Transfer RNA | 5,039 | 5,108 | 70 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,110 | 5,178 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,185 | 5,257 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,260 | 5,326 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,327 | 5,396 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,398 | 6,948 | 1,551 bp | + | 43.8% |
| tRNA-Ser (UCN) | Transfer RNA | 6,940 | 7,014 | 75 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,019 | 7,087 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,098 | 7,782 | 685 bp | + | 46.3% |
| tRNA-Lys | Transfer RNA | 7,783 | 7,852 | 70 bp | + | – |
| ATP8 | Protein-coding gene | 7,854 | 8,021 | 168 bp | + | 40.5% |
| ATP6 | Protein-coding gene | 8,012 | 8,695 | 684 bp | + | 43.6% |
| COX3 | Protein-coding gene | 8,702 | 9,486 | 785 bp | + | 47.4% |
| tRNA-Gly | Transfer RNA | 9,486 | 9,554 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,555 | 9,905 | 351 bp | + | 45.3% |
| tRNA-Arg | Transfer RNA | 9,907 | 9,976 | 70 bp | + | – |
| ND4L | Protein-coding gene | 9,978 | 10,274 | 297 bp | + | 49.2% |
| ND4 | Protein-coding gene | 10,268 | 11,645 | 1,378 bp | + | 43.8% |
| tRNA-His | Transfer RNA | 11,646 | 11,715 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,716 | 11,781 | 66 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,781 | 11,851 | 71 bp | + | – |
| ND5 | Protein-coding gene | 11,852 | 13,669 | 1,818 bp | + | 43.3% |
| CYTB | Protein-coding gene | 13,679 | 14,821 | 1,143 bp | + | 43.8% |
| tRNA-Thr | Transfer RNA | 14,825 | 14,893 | 69 bp | + | – |
| tRNA-Pro | Transfer RNA | 14,903 | 14,973 | 71 bp | − | – |
| ND6 | Protein-coding gene | 14,982 | 15,500 | 519 bp | − | 47.8% |
| tRNA-Glu | Transfer RNA | 15,502 | 15,573 | 72 bp | − | – |