29 June 2020 - The TBRC has officially added White Wagtail to the state list. The acceptance of this species brings the State List to 653 in good standing.

30 June 2020 - The latest AOS Supplement is out. Mexican Duck (Anas diazi) has been split from Mallard, bringing the State List to 654 species.

15 August 2020 - Following the latest AOS update, Thick-billed Longspur (Rhynchophanes mccownii) is the new name for McCown's Longspur.