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fascinating things about mobbing calls is that some species understand =
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Hi John & All,
In the 50'0 some used a bottle with a ground glass stopper to make
shrill sounds to attract birds. Is that or an electronic equivalent
still considered OK ?
YT, DW, Kentville
On 5/20/2020 7:51 AM, John Kearney wrote:
>
> That is unfortunate, and those who are doing so are not following the
> ethical guidelines of Birds Canada and the American Birding
> Association. In some cases, judicious use of playback is considered
> permissible for conservation research. However, as noted in an earlier
> discussion in this forum, this is increasingly unnecessary with the
> availability of autonomous recording units.
>
> *From:*naturens-owner@chebucto.ns.ca *On Behalf Of *Shouty McShoutsalot
> *Sent:* Wednesday, May 20, 2020 07:21
> *To:* naturens <naturens@chebucto.ns.ca>
> *Subject:* Re: [NatureNS] Question: Starling Behaviour
>
> Re mobbing calls regrettably it is still a common practice among
> birders. With cell phones and birding apps its easy to produce and
> playback them at will.
>
> On Tue., May 19, 2020, 21:38 John Kearney, <j.f.kearney@gmail.com
> <mailto:j.f.kearney@gmail.com>> wrote:
>
> Hi Burkhard,
> Many bird species have mobbing calls. You may have seen the
> Black-capped Chickadee doing this many times. Perhaps you thought
> it was curious about you but more likely, it was letting other
> birds know of your presence. One of the fascinating things about
> mobbing calls is that some species understand the unique mobbing
> calls of another species as a mobbing call and will join in
> multi-species harassment of a predator. Mobbing works, it is
> believed, not so much because the predator is frightened, but
> because it has been outed. It has lost the advantage of a surprise
> attack. In the past, birders would play recordings of mobbing
> calls to attract a wide variety of species, and with the hopes
> flushing out a rare bird. Birders have abandoned this practice
> since it causes unnecessary stress to the birds and distracts them
> from more important tasks such as feeding young or building up fat
> reserves for their migration.
> John
>
> -----Original Message-----
> From: naturens-owner@chebucto.ns.ca
> <mailto:naturens-owner@chebucto.ns.ca> On Behalf Of Burkhard Plache
> Sent: Tuesday, May 19, 2020 18:59
> To: naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca>
> Subject: [NatureNS] Question: Starling Behaviour
>
> Hello fellow naturalists:
>
> We have a pair of starlings is raising its brood in a former hairy
> woodpecker cavity in our front yard. Today, there were some 10-12
> starlings scattered in the nearby branches. A few minutes later, a
> big ruckus broke out, with a squirrel departing the tree at high
> speed pursued by some 5-6 of the starlings.
>
> My question is: Are starlings known to band together in times of
> trouble?
> If so, they must have some means of calling for help in case of a
> threat.
>
> Curious,
> Burkhard
>
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<p>Hi John & All,</p>
<p> In the 50'0 some used a bottle with a ground glass stopper to
make shrill sounds to attract birds. Is that or an electronic
equivalent still considered OK ? <br>
</p>
<p>YT, DW, Kentville<br>
</p>
<div class="moz-cite-prefix">On 5/20/2020 7:51 AM, John Kearney
wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:12.0pt;mso-fareast-language:EN-US">That is
unfortunate, and those who are doing so are not following
the ethical guidelines of Birds Canada and the American
Birding Association. In some cases, judicious use of
playback is considered permissible for conservation
research. However, as noted in an earlier discussion in this
forum, this is increasingly unnecessary with the
availability of autonomous recording units. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span
lang="EN-US"> naturens-owner@chebucto.ns.ca <b>On Behalf
Of </b>Shouty McShoutsalot<br>
<b>Sent:</b> Wednesday, May 20, 2020 07:21<br>
<b>To