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Darwin Tree of Life Released Two Rock Pipit Haplotype Genome Assemblies

Rock pipit at Hornøya, Finnmark, Norway
Research · Genetics & genomics

Darwin Tree of Life registered two separate genome assemblies for the rock pipit (Anthus petrosus) on 26 July 2026. The bAntPet1 resource represents haplotype 1 and haplotype 2 from the same sequenced individual.

A diploid bird has two copies of each chromosome, one inherited from each parent. The two assemblies keep these inherited sequence versions largely separate instead of collapsing them into a single consensus sequence. That preserves genetic differences between the haplotypes and gives later studies a more detailed reference for variation and genome structure.

GenomeArk lists the curated haplotype 1 assembly at about 1.37 gigabases, or 1.37 billion DNA bases, and haplotype 2 at about 1.29 gigabases, or 1.29 billion bases. Both form part of the wider Darwin Tree of Life, Sanger Institute Tree of Life and Vertebrate Genomes Project data infrastructure.

This is a new haplotype-resolved reference resource rather than the first genome available for the species. A separate scaffold-level rock pipit assembly is also available through the B10K avian genome project. The Darwin Tree of Life assemblies provide two complementary genomic references for future comparative and population genomic work.

Sources and image credit

  1. NCBI. (2026). Anthus petrosus (rock pipit) genome assembly, bAntPet1 haplotype 1 (BioProject PRJEB122690).Primary repository record registered 26 July 2026 for bAntPet1 haplotype 1.
  2. NCBI. (2026). Anthus petrosus (rock pipit) genome assembly, bAntPet1 haplotype 2 (BioProject PRJEB122691).Primary repository record registered 26 July 2026 for bAntPet1 haplotype 2.
  3. GenomeArk. Anthus petrosus — bAntPet1 haplotype assemblies.Repository page listing curated haplotype 1 and haplotype 2 assemblies at approximately 1.37 Gb and 1.29 Gb, respectively.
  4. NCBI. B10K Avian Genome Assemblies (BioProject PRJEB110064).Repository record showing a separate scaffold-level Anthus petrosus assembly was already available through B10K.

Image: Rock Pipit (Anthus petrosus) at Hornøya, Finnmark, Norway, 7 June 2026. Photo: Lucwrte / Wikimedia Commons. CC BY-SA 4.0. Representative species image; not the individual used for the genome assemblies. · CC BY-SA 4.0 · Source

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