eBird/Clements Checklist,每年8月更新,最后一版于2021年8月24日发布。物种数也是直接列在了主页上:249科10824种。世界自然保护联盟(International Union for Conservation of Nature,IUCN)以该清单作为全球受威胁鸟类红色目录的分类依据。
^Sangster G, Mayr G (2021) Feraequornithes: a name for the clade formed by Procellariiformes, Sphenisciformes, Ciconiiformes, Suliformes and Pelecaniformes (Aves). Vertebrate Zoology 71: 49–53. http://doi.org/10.3897/vz.71.e61728
^Sibley, C. G., and J. E. Ahlquist. 1990. Phylogeny and classification of birds: a study in molecular evolution. Yale Univ. Press, New Haven, CT.
^Hackett, S. J., et al. 2008. A phylogenomic study of birds reveals their evolutionary history. Science 320: 1763-1768.
^Kimball et al. 2013. Identifying local biases in large datasets: a case study using the avian tree of life. Mol. Phylogenet. Evol. 69: 1021-1032.
^McCormack et al. 2013. A phylogeny of birds based on over 1,500 loci collected by target enrichment and high-throughput sequencing. PLoS ONE 8: e54858.
^Jarvis, E. D., et al. 2014. Whole-genome analyses resolve early branches in the tree of life of modern birds. Science 346: 1320-133
^Prum, R. O., et al. 2015. A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing. Nature 526: 569–573.
^Burleigh, J. G., R. T. Kimball, and E. L. Braun. 2015. Building the avian tree of life using a large-scale, sparse supermatrix. Mol. Phylogenet. Evol. 84: 53-63.
^Feng, S., Stiller, J., Deng, Y. et al. Dense sampling of bird diversity increases power of comparative genomics. Nature587, 252–257 (2020).86-020-2873-9 https://doi.org/10.1038/s415