Australian Magpie Larks at National Library had perfected this technique too.
Sent from my iPhone
> On 9 Sep 2021, at 12:54 pm, calyptorhynchus via Canberrabirds
> <> wrote:
>
>
> Walking along Irving Street Phillip this morning I watched two swallows swoop
> down the ramp of a below-street car-park under one of the new apartment
> blocks. They perched on a sign and I noticed that one was carrying a feather
> in its beak.
>
> Within a few seconds the automatic gates began to open to let a car exit and
> both swallows swooped underneath and went inside.
>
> The presence of the feather in the beak of one and the fact they were a pair
> made me infer they had begun a nest in there and had already worked out the
> access routine. I hope people come and go often enough for them to to be able
> to access as often as they need to
>
> --
> John Leonard
>
>
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