A cormorant in the spotlight

The double-crested cormorant (Phalacrocorax auritus) is a member of the cormorant family of seabirds. Once threatened by the use of DDT, the numbers of this bird have increased markedly in recent years [1]. Currently, the double-crested cormorants are protected under the Migratory Bird Treaty Act [2].


Today, we share a chromosome-length upgrade to the draft genome assembly for the double-crested cormorant published in (Burga et al., Science, 2017). We are grateful to SeaWorld for the sample used for Hi-C library preparation!


Check out our usual whole-genome alignment analysis below to compare how the chromosomes of the new genome assembly for the double-crested cormorant compare to those of the chicken, from the International Chicken Genome Sequencing Consortium. Once again we see the conservative bird karyotype, for the first time in core waterbirds!

Whole-genome alignment plots between the chromosome-length double-crested cormorant genome assembly (ASM217345v1_HiC) and the chicken (GRCg6a) genome assembly.

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