Perspective

Pheasants, partridges and Red Grouse are, obviously, three-dimensional objects (they wouldn’t make much of a meal otherwise), whereas the X-rays are two-dimensional.

Here is just an example, it’s from one of the partridges, of how two separate X-rays of the same bird can show the shot to appear to be in very different places.

Partridge 2c x-ray - CopyPartridge 2a (2)-1

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