But in that case this bit of TFA feels a bit out of place:
> To eliminate the possibility that the owl was [...] detecting heat from the body of the mouse (for instance, by sensing infrared light emitted by a warm body), the experiment is repeated with a mouse-sized wad of paper dragged through the leaves
But in that case this bit of TFA feels a bit out of place:
> To eliminate the possibility that the owl was [...] detecting heat from the body of the mouse (for instance, by sensing infrared light emitted by a warm body), the experiment is repeated with a mouse-sized wad of paper dragged through the leaves