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magpie in cage (1 Viewer)

wayne2467

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ok im new and not very knowledgable- out with the dog yesterday in the countryside and i saw what i thought to be a magpie in a cage. it dident seem like it was trap like cage, just that it had been put there. i almost let it out but wasent sure what the right thing to do would be.- any advice/ feedback?- thanks-Wayne
 
Hi Wayne, it sounds like you stumbled on a Larsen trap, in which a captive Magpie is used to trap other Magpies. Though extremely distasteful and misguided, it is alas not illegal, and though releasing the Magpie would have been a thoroughly laudable things to do, its also illegal.

Welcome to BF.
 
Maybe leaving it there will have increased the chances of the songbird populations this breeding season.

It's a simple case of without the right abundance of prey, the predators can't survive. So it stands to reason the more Magpies there are, the healthier the songbird population must be!

Am I wrong?...........

You could always have let the bird go, after all, it's only illegal if your caught;)
 
This is similar to the argument for shooting Grey Squirrels. If you eliminate some from a certain area, then there is more food available and others move in to take their place. Reduce the competition and the breeding rate increases.
It's called the balance of nature and it tends to work better than human intervention.

Stu.
 
It's a simple case of without the right abundance of prey, the predators can't survive. So it stands to reason the more Magpies there are, the healthier the songbird population must be!

Am I wrong?...........

In a word, yes! ;)

Unlike birds like sparrowhawks, corvids are omnivorous and only feed on other birds for a short period of the year, so there is always the possibility that alternative food sources could support a high magpie population that could in turn impact on songbird populations.

In practice there is little (if any) evidence that this happens. However, there is evidence that corvids can impact on the populations of ground-nesting waders.

There is an interesting review of the science here:

http://www.rspb.org.uk/Images/Predator Report_tcm9-177905.pdf
 
I found one once that had been "adapted". The part of the cage where the decoy bird goes had been fitted with extra fine netting. This side was baited with a live sparrow, and caught in the other half was a very p*ssed off sparrowhawk. Needless to say, this contraption was found on a pheasant feeding ride, next to a release pen (just outside York).
I brought the police out, and the keeper was prosecuted
 
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