Re: Call Distance - Boobook Owl

["Alec Kennedy" pan3dpan]

John,
For what it's worth, our native owl (the morepork) is about the size of
a blackbird, and I reckon on a calm night I can hear its call for about
a Km, though that's across a mixture of bush and water. Maybe equivalent
to open farm land in sound attenuation.
Cheers,
Alec

John Tudor wrote:
>
> There is a Southern Boobook calling somewhere near my house in the
> Adelaide Hills. I can hear it clearly (although faintly).
>
> In order to narrow down the search area, can anyone indicate what sort
> of distance over flat, fairly open farm land, that owl calls can be
> heard with just the ears (no amplification) I'm guessing it's within
> about 500 metres of home.
>
> Is there any rule of thumb based on bird size??
>
> Regards
> John
>
>