Unfortunately the bird didn’t return after that. I guess it was already too dark for him to come back. So the blue tit will not spend New Years Eve in the box. Hopefully he will be back tomorrow!
Saturday, 31 December 2011
We made too much noise and scared the bird away :(
My neighbours and myself apparently made too much noise near the bird box around sunset when we were having a conversation while standing next to the box. We saw the bird fly out. See below the video footage from the box.
Unfortunately the bird didn’t return after that. I guess it was already too dark for him to come back. So the blue tit will not spend New Years Eve in the box. Hopefully he will be back tomorrow!
Unfortunately the bird didn’t return after that. I guess it was already too dark for him to come back. So the blue tit will not spend New Years Eve in the box. Hopefully he will be back tomorrow!
Monday, 26 December 2011
More visit statistics
The box is now used every night by a blue tit for roosting and it is still checked several times per day by different blue tits. I haven't seen any great tits checking the box in the last 10 days.
Thursday, 22 December 2011
Two birds in the box for the first time.
22 December 2011
One bird enters the bird box and his friend just looks inside but doesn't enter...
But eventually there are two birds in the box at the same time, although it is only for a fraction of a second....
One bird enters the bird box and his friend just looks inside but doesn't enter...
But eventually there are two birds in the box at the same time, although it is only for a fraction of a second....
Wednesday, 21 December 2011
Visit statistics of the bird box
I admit that I'm a complete nerd and I'm actually proud of it. See below a graph that shows for the past 5 days when there was a bird in the box and when a bird looked inside the box but did not enter.
Who spent the night in my bird box?
21 December 2011
Captured the following image of the fly out this morning
I tried to do some identification on the bird to confirm if this is the same bird as before. On the image below you see a comparison between an image captured on 19 December (left) and the one captured today (right). Comparing some small details on his face, it appears to be the same bird.
However, identification is not so easy because the camera is out of focus for this position, the bird is usually moving fast and plumage looks very different in infrared. Also the angle at which we see the bird can make it look very different. Note the distinctive eye marking above the left eye of today’s bird!
Captured the following image of the fly out this morning
I tried to do some identification on the bird to confirm if this is the same bird as before. On the image below you see a comparison between an image captured on 19 December (left) and the one captured today (right). Comparing some small details on his face, it appears to be the same bird.
However, identification is not so easy because the camera is out of focus for this position, the bird is usually moving fast and plumage looks very different in infrared. Also the angle at which we see the bird can make it look very different. Note the distinctive eye marking above the left eye of today’s bird!
Tuesday, 20 December 2011
The answer: many birds investigate the bird box
20 December 2011
Just witnessed a large group (around 5-10) of blue tits feeding in and around the tree where the bird box is located. Several of them looked inside and one of them flew in. So now it is clear to me that many birds at least investigated the box.
I was able to capture some images of characteristic birds. The one below has a distinctive marking above his left eye
…and the one below (that actually flew into the box) had a small rather narrow line on his forehead
So now it is clear that many birds visit or investigate the box. The only thing I’m still wondering about is if the blue tit that I have seen roosting in the box is always the same one…
Just witnessed a large group (around 5-10) of blue tits feeding in and around the tree where the bird box is located. Several of them looked inside and one of them flew in. So now it is clear to me that many birds at least investigated the box.
I was able to capture some images of characteristic birds. The one below has a distinctive marking above his left eye
…and the one below (that actually flew into the box) had a small rather narrow line on his forehead
So now it is clear that many birds visit or investigate the box. The only thing I’m still wondering about is if the blue tit that I have seen roosting in the box is always the same one…
So, how many different birds are visiting?
20 December 2011
At least one great tit and one blue tit have roosted in the box and I have video evidence of at least one more blue tit peeking inside.
The blue tit that roosted here the last 2 nights was a bright looking bird. Today I have witnessed (by looking out of my window) that both a bright and a dull looking bird looked inside the box. On video it is usually difficult to see the difference. However, I captured these pictures of two clearly different birds. On the left the bright one, on the right the dull one. Note the spots on his face. Perhaps I can use that for future identification.
At least one great tit and one blue tit have roosted in the box and I have video evidence of at least one more blue tit peeking inside.
The blue tit that roosted here the last 2 nights was a bright looking bird. Today I have witnessed (by looking out of my window) that both a bright and a dull looking bird looked inside the box. On video it is usually difficult to see the difference. However, I captured these pictures of two clearly different birds. On the left the bright one, on the right the dull one. Note the spots on his face. Perhaps I can use that for future identification.
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