Ecology of migrant Black-necked Grebes
, Podiceps nigricollis, at Mono Lake, California.
Shotwick Boating Lake, on the Wirral border, hosts three Black-necked Grebes
, with up to 40 Whooper and Bewick's Swans on nearby fields; a Great White Egret flew over the site on Sunday.
Closer to home, three Black-necked Grebes
are on Shotwick Boating Lake, with a mixed flock of Bewick's and Whooper Swans on nearby fields.
A Black-necked Grebe
in Afonwen quarry, Bodfari, remains for its third week, and a Garganey at RSPB Conwy for its second.
Garganeys were at RSPB Conwy and Malltraeth Marsh, while a Black-necked Grebe
remained in Bodfari Park Quarry, Afonwen.
Birds on passage include a Black-necked Grebe
at Afon-wen, Water Pipit at Connah's Quay NR (where up to 50 Twite remain) and an Osprey over RSPB Conwy.
The various habitats are also important for birds, including: woodlarks, Bewick s swan, black woodpeckers, little grebe, black-necked grebe
, whinchat, common stonechat, shovelers, wheatears and teal.
A waxwing over Bangor on Sunday was the first for several weeks, while a long-tailed duck off Newborough, black-necked grebe
on Cefni reservoir and redhead smew at RSPB Valley lakes are all scarce birds this winter.
A Glaucous Gull was seen near Benllech on Monday, while other Anglesey sightings include a Black-necked Grebe
and eight Great Northern Divers in Holyhead harbour.
Comparative studies of behaviour in allopatric subspecies of grebes, Podicipedidae: Black-necked Grebe
Podiceps nigricollis (Brehm 1831) and White-tufted Grebe Rollandia rolland (Quoy & Gaimard 1824).
for Eared Grebe [Podiceps nigricollis]), and many names lacking a modifier (e.
Other eggs include chough, found in parts of Wales and Northern Ireland, black-necked grebe
, found in parts of northern England, and marsh harrier, possibly from southern England.
Courtship in European Black-necked Grebe
Podiceps nigricollis nigricollis and American Eared Grebe P.
In Denbighshire, a Great Grey Shrike was again at Craig Bron-banog in the Clocaenog Forest and the Black-necked Grebe
remains in Afonwen quarry, Bodfari.
Most tantalising, however, is the news that the black-necked grebe
, now in its smart black and chestnut plumage, with golden yellow ear tufts, has stayed into April.