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It's a good idea with one major problem, predators soon figure out that other wildlife has to pass this choke point and they will treat it like a walking buffet.

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Not sure that's a major problem? Predators are generally the animals with the larger territorial requirements for a home range, and thus more reliant on the presence of these corridors to feed and disperse into new territory.

It negates the usefulness of the concept.

The concept is still useful but without the travel corridors when it comes to birds. Here it is encouraged to put even small blocks of land into a permanent wildlife covenant. Birds can use them as oases.

To some extent, plenty of bird species do not like to overfly humanity at low altitude and if the area isn't large enough to gain altitude or if the motivation isn't strong enough to expend that much energy then there might was well be a cloud high fence.

True, perhaps this approach would not work for condors, eagles etc.

However for most native birds in my country even a spot of an acre or two can be a good bird habitat for nesting and feeding and birds will happily overfly humanity to get to and fro.

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