Proposals 2021-A

2021-A-1a: Revise the classification of the Euphoniinae (Fringillidae): transfer Euphonia musica and E. elegantissima to resurrected genus Cyanophonia or to Chlorophonia

2021-A-1b: Revise the classification of the Euphoniinae (Fringillidae): revise the linear sequence of the subfamily

2021-A-2: Split Band-rumped Storm-Petrel Hydrobates castro into three species

2021-A-3: Split Mew Gull Larus canus brachyrhynchus and rename as Short-billed Gull

2021-A-4: Revise generic limits in the Phalacrocoracidae (cormorants)

2021-A-5: Adopt split of Long-billed Gnatwren Ramphocaenus melanurus

2021-A-6: Change the linear sequence of the gnatcatchers (Polioptila spp.)

2021-A-7: Split Tropical Gnatcatcher Polioptila plumbea into two or more species

2021-A-8: Split Fregata rothschildi from Magnificent Frigatebird F. magnificens

2021-A-9: Resurrect Corthylio for Ruby-crowned Kinglet

2021-A-10: Change the linear sequence of species in Chaetura

2021-A-11: Reconsider the case to split Saxicola maurus and S. stejnegeri from Common Stonechat S. torquatus

2021-A-12: Resurrect Philodice as a separate genus from Calliphlox

2021-A-13: Treat McKay’s Bunting Plectrophenax hyperboreus as conspecific with Snow Bunting P. nivalis

Proposals 2021-B

2021-B-1: Change the type locality of Black-throated Bobwhite Colinus nigrogularis

2021-B-2: Treat Crested Caracara Caracara cheriway as conspecific with C. plancus

2021-B-3: Recognize extralimital Thamnistes rufescens as a separate species from Russet Antshrike T. anabatinus

2021-B-4: Recognize extralimital Forpus spengeli as a separate species from Green-rumped Parrotlet F. passerinus

2021-B-5: Recognize extralimital Anthus peruvianus as a separate species from Yellowish Pipit A. lutescens

2021-B-6: Recognize extralimital Catharus maculatus as a separate species from Spotted Nightingale-Thrush C. dryas

2021-B-7: Revise the linear sequence of passerine families

2021-B-8: Recognize Basileuterus delattrii as a separate species from Rufous-capped Warbler B. rufifrons

2021-B-9: Change the spelling of Porphyrio martinicus to P. martinica

2021-B-10: Treat Andean Duck Oxyura ferruginea as conspecific with Ruddy Duck O. jamaicensis

Proposals 2021-C

2021-C-1: Revise the classification of the Antillean Piculet Nesoctites micromegas

2021-C-2: Transfer Flammulated Flycatcher Deltarhynchus flammulatus to Ramphotrigon

2021-C-3: Treat Cistothorus stellaris as a separate species from C. platensis

2021-C-4: Elevate Turdus rufopalliatus graysoni to species rank

2021-C-5: Treat Eurasian Blackbird Turdus merula as four species

2021-C-6: Revise the taxonomy of the Estrildidae

2021-C-7: Add Amazilia Hummingbird Amazilis amazilia to the Main List

2021-C-8: Treat Cinereous Owl Strix sartorii as a separate species from Barred Owl S. varia

2021-C-9: Treat Euphonia godmani as a separate species from Scrub Euphonia E. affinis

2021-C-10: Subsume Pseudoscops into Asio, transferring Jamaican Owl P. grammicus and Striped Owl P. clamator

2021-C-11: Transfer Spruce Grouse Falcipennis canadensis to Canachites

2021-C-12: Transfer Five-striped Sparrow Amphispiza quinquestriata to Amphispizopsis

2021-C-13: Elevate Melopyrrha portoricensis grandis to species status

2021-C-14: Treat Bahama Nuthatch Sitta insularis as a separate species from Brown-headed Nuthatch S. pusilla

2021-C-15: Add Common Wood-Pigeon Columba palumbus to the Main List

2021-C-16: Add Pallas’s Gull Ichthyaetus ichthyaetus to the Main List

2021-C-17: Add Pallas’s Grasshopper-Warbler Helopsaltes certhiola to the Main List

2021-C-18: Add Tricolored Munia Lonchura malacca to the U.S. List

2021-C-19: Treat Catharus swainsoni as a separate species from C. ustulatus