Today, however, when searching for the pictures on my laptop to send to Niall at Birdwatch, I spotted other ones I had taken at the same day of the other photos.
Jackdaw, Corvus monedula, on 12/04/09,at 10am
Same Jackdaw, on 12/04, at 6pm.
And a closer view of same eye:
So, apparently, whatever it is, which causes the loss of feathers, it is working quite rapid, when you look at not only the area around the eye, but also the forehead which shows this hard crust.
at the left side, as you can see here, the eye is clearly affected already but not as severe as on the right wing side.
Being social birds, Jackdaws like to mingle with other Corvae, and in my case this means with other Jackdaws and with Rooks and Hooded Crows. It could well be that this disease, infection, can spread to the other birds. It does not look like Trichomoniasis, to which Corvae seem to be susceptible also, just like Finches, and Sparrows.
Apart from good hygiene, there is little I can do, I think. I have not seen the bird since Sunday. However i am extra vigilant with the rest of the Jackdaws and the Rooks and the Hooded Crows, just in case this 'infection' spreads to any other member of the grey and blacks.
Also, I will send the relevant pictures to Niall at Birdwatch, to see what he makes of it.
I just hope that it is not contagious to my other birds.
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