Arapuca (South American Bird Trap) Revisited

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Nov 29, 2005
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While cleaning out some old papers the other day, I came across a thread on the topic of traps and snares. (Title was "Which Trap for Small Game"; link is http://www.bladeforums.com/forums/showthread.php?t=393739&highlight=arapuca )

In it, our ingenious fellow Forumite, Pict, described and provided photographs of a very clever, and apparently quite easy-to-use, bird trap used in South America, called the "arapuca".

As I looked at Pict's pictures, I realized that the cage made of sticks which forms the top of the trap looked complicated to make, though Pict had mentioned that it could be constructed in minutes and used minimal cordage. I wrote him off-list and asked for his clarification. With his permission, I post his follow-up here:

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JD,

Take your first two sticks, for simplicity lets make them 15 inches long. Lay them parallel on the ground 15 inches apart. Tie a string from the end of one to the end of the other so that the whole thing forms a box with two sides being sticks and two sides being strings.

Flip one of the sticks end to end, keeping it parallel with the other stick. This will make your strings form an X that crosses in the exact center. Take another stick, about 15 inches long and pass it over the right stick, under the string X and over the left stick. Slide it to the end of the bottom sticks so it stops against the knots tied to the bottom stick (one the same side). Repeat on the other side. You now have a square made of sticks with an X of string running on top. Continue to pass sticks over the sticks you already laid alternating sides and sliding them to the edges, making them smaller as you go.

This will wind up as a stacked, four-sided pyramid held together by pressure against the string. If you do it right you will wind up with a narrow opening at the top with a very tight X of string across the gap. To finish it off you make a simple flat roof of small sticks wedged under the X. Sometimes you need to tie a rock to the flat roof for added weight as the whole thing is pretty light and a large bird will push it up.

Some tips. Leave the bark on the sticks to keep them from sliding inwards against the string pressure. Bamboo tends to slide inwards. To remove the bird, slide one or two of the side sticks inwards until you can fit your hand inside and grab the bird, turn the trap over and grab the bird with the free hand.

The glory of the arapuca is that is can be made without any tools and it is very economical with cordage. You can even make it with bark or hand made cordage if necessary.
Of course a pocket knife helps as does regular string. They also don't leave any blood on the ground or trap and will continue to produce birds as long as you have bait.

Hope this helped. Any more questions feel free to ask.

Mac
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Postscript:

The arapuca is a neat trap, easy to learn and easy to use. The key is figuring out what bait and where to put them. One guy on BF actually nabbed bird on his balcony with one IIRC. Down here every kid knows how to make them, arapucas and kites. Mac
 
i didnt think about it at the time but now realy looking at the pic and more about the making of the trap. I came to apprciate it even more now. Thanks for catching up with it J D.

Sasha
 
This shot shows the string jamming it all together.
3dayarapuca2xg8.jpg


Heres a better shot of the trigger. The two struts jammed into the corners hold the "Y" shaped piece from rotating inwards.
traparapucadw2.jpg


The guy who taught me how to make these just gathered up a pile of straight sticks and broke them with his hands as he went. He didn't use a knife for the trigger parts, he just broke off what he needed and used a rock to grind a little notch on the Y where the support strut holds it up. Of course a pocket knife helps to adjust the trigger parts but it isn't necessary.

This type of trigger pretty much ensures the bird is inside before it drops. Mac
 
The arapuca is a neat trap, easy to learn and easy to use. The key is figuring out what bait and where to put them. One guy on BF actually nabbed bird on his balcony with one IIRC.

You remember correctly. That would be me. My buddy used one to catch a squirrel in his back yard. The squirrel got out of the box (milk crate) through the hand hold hole, but he wasn't trying to keep it anyway. I'll post a couple of pictures if I can find them.

Doc
 
Heres a better shot of the trigger. The two struts jammed into the corners hold the "Y" shaped piece from rotating inwards.
traparapucadw2.jpg


This type of trigger pretty much ensures the bird is inside before it drops. Mac


Mac, in looking at the picture, it seems that the Y-shaped stick could keep the trap from falling all the way to the ground. Is that the case? Does it matter? Thanks.

-- FLIX
 
Was wondering about that... Maybe a little more clarification on the trigger.. Maybe another pic??
 
The Y-shaped stick doesn't touch the ground.

The text came from Pict's original post, the diagrams are mine (IIRC :confused: )


Arapucabirdtrap.jpg


Doc
 
Thanks guys... I hadn't previously realized how Mac's arapuca 'cage' was so simply held together.

Much appreciated. Best wishes all....Coote.
 
i cant figure out the promontory trigger can some one post pics of it from a 360 view?
 
Haven't got any pictures sorry.

The vee of the forked stick is jammed up against the cage. A straight stick is jammed into a notch on the forked stick. The weight of the cage pushes down making the forked stick want to rotate inwards, but it can't because of the two light sticks that are jammed against the inside of the forked stick and which extend into the two far corners of the cage. When one of these sticks is knocked by a critter trying to get the bait, it falls away... thus allowing the forked stick to rotate inwards and the cage to drop.
 
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