Saturday 20 February 2010

BARN OWL performing at Tring Sewage Farm




SATURDAY 20 FEBRUARY

No change in the general weather, with continuing cold temperatures (4.5 degrees C). It was a clear bright day, with long periods of uninterrupted blue sky, but as darkness loomed, heavy snow started to affect the Chilterns, and by the time I got home in Little Chalfont, had settled considerably.

Although the day was spent relatively local, some main target species were once again missed, in particular the three long-staying Twites in Cambs, and Lesser Redpoll.

COLNEY HEATH (HERTS)

Taking up Steve Blake's very helpful advice, I tried again to locate Lesser Redpoll. Steve had seen four birds in the week, feeding with Siskins along the River Colne between the two bridges. Afternoons are not the best times to look for such species, particularly when there are dogwalkers everywhere, and it came as no surprise that I failed to locate the flock anywhere in the Alders.

What I did see were Great Spotted Woodpecker, Moorhen, 13 Goldfinch, 12 Fieldfare, 5 Redwing and 2 Song Thrushes. I shall have to return another day.

WILSTONE RESERVOIR, TRING (HERTS)

Arrived rather late and only really concentrated on the gull roost.

I was surprised to find 3 Grey Herons already nest-occupying on the central Drayton Bank, a single LITTLE EGRET was roosting there, and 2 adult Mute Swans had returned.

Wildfowl included 575 Eurasian Wigeon, a pair of Gadwall, 18 Shoveler, 27 Northern Pochard and a whopping 228 Tufted Ducks, along with 4 COMMON GOLDENEYES (including 2 adult drakes) and 18 Great Crested Grebes.

The regular adult MEDITERRANEAN GULL was part of the well-strung out roost tonight, with 2,646 Black-headed Gulls roosting by 1710, along with 82 Common Gulls. A juvenile British Herring Gull also put in an appearance.

MARSWORTH RESERVOIR (HERTS)

Delightfully, 83 CORN BUNTINGS flighted in to roost not far out from the causeway at Marsworth Reedbed at 1715 hours - my largest count at the site this winter.

A single CETTI'S WARBLER was singing, as well as a solitary male Song Thrush, with 8 Shoveler, 7 Common Teal and 6 Gadwall on the Sewage Farm.

Thanks to Steve Rodwell, I was finally able to add a new species to my Hertfordshire Year List today - a gorgeous BARN OWL performing eloquently at the back of the sewage farm from 1720 hours onwards. Steve had seen the bird last night and just as he had predicted, it appeared 20 minutes before it got pitch black and too dark to see. After it appeared from its roost-site, it hunted over the rough field for a short time before alighting on the sewage farm perimeter fence, where I was able to enjoy some outstanding views of this most charming of British birds. What a delight (Lee G R Evans).

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