Tuesday, 26 April 2011

Cross-billed blue tits, poxy great tits and a drooling green woodpecker

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The morning's ringing started well, with a good catch including recently arrived blackcaps, chiffchaffs, garden, sedge and willow warblers. The good fortune didn't continue, as the breeze increased and that put paid to chances of a large catch. Cuckoos calling and swallows overhead added to the spring feel, but there was a few other oddities which grabbed our attention, things that perhaps wouldn't have been obvious without having the birds in the hand.

The first is this blue tit Cyanistes caeruleas, which has crossed mandibles. You'd think that this would make feeding difficult, but this individual was in perfectly normal condition.





This female great tit Parus major has avian pox, which is caused by a virus frequently transmitted by biting insects, or through direct contact. The lesion at the rear of the tit's head isn't near the bird's eyes or bill, so shouldn't impair its longevity.



Bird of the day was undoubtedly this one-year-old male green woodpecker Picus viridus, which showed a feature of its feeding behaviour rarely seen - the copious volume of thick saliva they produces to keep their barbed tongues sticky, which helps them mop up their ant prey. It's always fantastic to get something as special as one of these in the hand, even if your hands look like they've been mauled by the end of it all.

Monday, 25 April 2011

Odds and ends

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A couple of brief local walks today. The first was to my local heath, a five minute walk from my front door, where I hoped to add a few roving records to the altas effort. A fine dawn chorus, with swallows chattering overhead. The highlight was a very unexpected red kite Milvus milvus being harassed by a carrion crow as it passed over - they really are doing well, and spreading from the Chilterns.



The only worthwhile macro shot was of this squash bug Coreus marginatus.


In the afternoon we headed to Ash Ranges for a walk in the sun; while the species list was short, as usual it had some real quality, including tree pipits, buzzard (still uncommon this far east) and singing woodlark Lullula arborea.

Saturday, 23 April 2011

Dent de lion

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I spent this morning completing a timed tetrad count for one of my local atlas squares, and in so doing discovered an interesting new patch of local beech woodland that I hadn't previously been aware of - after lving within a mile of it for almost 8 years. Three cuckoos provided the highlight and my first house martin of the year flew over later.

No time for any photographs, but I took a few in the garden in the evening sun - the dandelions Taraxacum officinale have already set their first seeds and provided a welcome diversion.



Wednesday, 20 April 2011

Lunchtime macro

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I spent lunchtime yesterday taking some macro shots on campus - the warmth had brought a lot of insects out. The breeze was challenging and the light too direct, but it was good to get the first close-ups of the year under my belt.

Female hairy-footed flower bee Anthophora plumipes

Greenbottle Lucilia sp.

Seven-spot ladybird Coccinella septempunctata

This holly blue was supping moisture from a watered flower bed.
Holly blue butterfly Celastrina argiolus

These longhorn moths were swarming - there must have been hundreds bobbing up and down, but they were difficult to get a shot of - this will have to do...
Longhorn moth Adela reaumurella

Sunday, 10 April 2011

Grey heron

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A quick wander out to a site where close up views of grey heron Ardea cinerea are almost guaranteed - unfortunately the light was a bit too contrasty, but nevertheless, it was good to blow the cobwebs off the camera...