RE: Would swallow?

[Paul Taylor <>]

Stuart Harris wrote:
> Can anyone here give an explanation of the behaviour by a Dusky 
> Woodswallow adult and its chicks, observed today during a COG outing?
[snip]
> The adult bird, after offering a feed to the chicks, plucked an excreted 
> bolus from the anus of a presenting chick and then flew away with it in 
> its bill?
Discrete disposal.  Raptors may not be fussed about marking their nesting
sites with whitewash, but for others it pays not to advertise.  The bolus
is an ingenious solution to the problem - insert food at one end, remove
the waste in a neat sac at the other.

--

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
   Paul Taylor                                  Veni, vidi, tici -
                           I came, I saw, I ticked.

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