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Table 2 Heterozygous SNPs in nine representative avian species

From: Genomic signatures of near-extinction and rebirth of the crested ibis and other endangered bird species

Common name Latin name Order Conservation status Heterozygosity of whole genome (10 -3) a Heterozygosity of whole exons (10 -3) a NS/S b
Crested ibis Nipponia nippon Ciconiiformes EV (EN) 0.43 0.24 0.69
Little egret Egretta garzetta Ciconiiformes LC 2.51 0.92 0.41
Dalmatian pelican Pelecanuscrispus Pelecaniformes EV (VU) 0.6 0.34 0.84
Great black cormorant Phalacrocoraxcarbo Pelecaniformes LC 1.39 0.56 0.57
Kea Nestor notabilis Psittaciformes EV (VU) 0.91 0.45 0.63
Budgerigar Melopsittacusundulatus Psittaciformes LC 4.31 2.21 0.32
Bald eagle Haliaeetusleucocephalus Accipitriformes EV (Once EN) 0.43 0.22 0.84
White-tailed Eagle Haliaeetusalbicilla Accipitriformes EV (Once VU) 0.4 0.21 0.80
Turkey vulture Cathartes aura Accipitriformes LC 1.18 0.59 0.58
  1. We classified endangered (EN) and vulnerable (VU) into endangered-vulnerable (EV) for the convenience of genetic analysis.
  2. aP <0.05.
  3. bP <0.01 (t test, EV versus LC).
  4. LC, Least Concern; NS/S, the ratio of non-synonymous/synonymous heterozygosity.