28-December-2021
| The following species summaries have been updated North American Canada Goose Cackling Goose Mute Swan Shelduck Blue-winged Teal Pintail Pied-billed Grebe Semipalmated Plover Upland Sandpiper Baird’s Sandpiper Green Sandpiper American Herring Gull Caspian Tern Wilson’s Petrel Bittern Grey Heron Sparrowhawk Northern Harrier Long-eared Owl Gyr Falcon Daurian Shrike Carrion Crow Coal Tit Garden Warbler Subalpine Warbler Rose-coloured Starling Western Black-eared Wheatear Spotted Flycatcher Redstart Grey-headed Wagtail Coues’s Arctic Redpoll Hornemann’s Arctic Redpoll Black-headed Bunting |
| The following species has been added to “Species not included in the systematic list” American Barn Swallow |
| The following species has had an image added Carrion Crow |