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Post by accipiter on Jul 18, 2022 18:08:59 GMT
It's not what you look at that matters, it's what you see. – Henry David Thoreau.
It’s been one of those days when things suddenly fall in to place, for example I’m still writing my book and now reached the chapter on non-breeding Sparrowhawks – floaters. I’ve also been trying to find any films on this without much luck, presumably because these non- territorial birds are just too secretive therefore too difficult to film. Unlike those whom are breeding where it’s only too obvious by their behaviour, often on show for all to see.
However, I have after a number of years found and taken photos of these birds and their roosting sites, both male and females, indicated by splattering of nitrogenous waste on leaves and the woodland floor; - (whitewash slicing’s.) Also feather remains of both prey taken and moulted feathers of these particular roosting Sparrowhawks.
I won’t go in any more details here as to how, where, and why, for obvious reasons other than to say it’s been a very exhausting number of years. What’s more I’m still here which is a miracle in itself after collecting all this data on sparrowhawks, and clocking up more travel miles than Phileas Fogg ever did.
Alan
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Post by rowanberry on Jul 24, 2022 13:12:39 GMT
You're putting in an incredible amount of research, Alan... but it sounds as though it's very satisfying at the same time.
How do you know when a sparrowhawk is a none-breeding 'floater'? I hadn't heard of this before.
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Post by accipiter on Aug 2, 2022 17:00:14 GMT
You're putting in an incredible amount of research, Alan... but it sounds as though it's very satisfying at the same time. How do you know when a sparrowhawk is a none-breeding 'floater'? I hadn't heard of this before. Good question, it’s only by consistently watching how they behave. Floaters for the want of a better word don’t hold a territory of their own therefor are driven off by those in residence, roosting on their own too. Therefore, if like me you are fully aware of what hawks you have breeding in your woods then you will sort of know. As you know I also collect feathers especially sparrow hawk feathers, in which the barring pattern can be measured and traced to a particular bird. Although It’s not a fool proof method but it does sometimes work. This method may also work for other raptors / owls of that I don’t know for sure since I only study sparrow hawks in any depth. As for little owls I have some feathers but not enough to try this out yet. Unfortunately, I can never say for certain, as it could be a case of those birds whom have a partner but still commit bigamy, these tend to wander from territory to territory of which I did have a case a few years ago. After a while this becomes plain as one sees them fly from nest to nest in ones own woods. However, experts carrying out a study will know for sure as experts have birds that carry telemetry monitoring equipment in which they can follow each bird.
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