December 2020

Cardiff Bay: A female Ring-necked Duck commuted between here and Cosmeston. Further wildfowl of note in the bay comprised Long-tailed Duck, Scaup and Common Scoter. A first-winter Caspian Gull and up to five Yellow-legged Gulls were frequenting the roost. 
Kenfig: A Russian White-fronted Goose arrived (4th) and looked set to winter. Seven Whooper Swans and a Great White Egret were merely flyovers. A Great Northern Diver was on the pool, with another off Sker, where at least 12 Red-throated Divers and an Eider were also noted. Two Marsh Harriers and a Merlin were on the reserve. A sinensis Cormorant was identified at the pool. A Black Redstart was briefly on the east pool shore.
Ogmore Estuary: Two Water Pipits were often at Portobello. Four Common Sandpipers was the highest ever winter site count. A Green Sandpiper was seen a couple of times. Five Brent Geese flew up the river, having been seen earlier at Newton. A male Red-breasted Merganser hung around for a few days. A Merlin was logged.
Other sites: Cosmeston hosted a juvenile Glaucous Gull, a Scaup, plus on occasion the aforementioned Ring-necked Duck. Both Cattle Egret and Great White Egret were recorded at Sully. An male Red-breasted Merganser was a noteworthy inland find on the lower lake at Clydach Vale. Up to 30 Goosanders were on Caerphilly Castle Moat. A maximum of 14 Pale-bellied Brent Geese was at Aberthaw, now a regular wintering site for the species. Another Pale-bellied Brent Goose spent a few days at Newton, where the wader roost included 13 Grey Plovers. A Green Sandpiper survey on the River Ely returned a significant total of 12 individuals. A Short-eared Owl was at Rumney Great Wharf. Black Redstarts were seen at Southerndown, Cwm Mawr/Bach, Gileston, Cardiff Airport, Sully and Rumney Great Wharf.
Summary by Paul Roberts

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