[NatureNS] Cliff Swallow barn nests

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From: nancy dowd <nancypdowd@gmail.com>
Date: Tue, 11 Jun 2019 16:36:18 -0300
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Thank you. That makes more sense. Yes I have seen their jug nests clustered t=
ogether (where it must be complete mayhem). So this could be competition for=
 a nest site, a mate or a location to dump eggs. Possibly all three at once.=
 A rowdy world for sure.=20

Nancy D

Sent from my iPad

> On Jun 11, 2019, at 3:20 PM, susann myers <myerss@eastlink.ca> wrote:
>=20
> Hi, Nancy.
>=20
> Cliff Swallows nest communally in terms of building nests near one another=
 in a colony, but one pair builds and occupies each mud nest. There is a lot=
 of competition over nest sites, however, and they will try to take over a n=
est from another pair of Cliff Swallows.  There is also apparently a fair bi=
t of extra-pair copulation that goes on, including males entering a nest tha=
t is not their own to copulate with the female inside the nest.  Also, brood=
 parasitism is apparently common - females lay eggs in the nests of other pa=
irs, or transfer eggs from their own nest to another in their bills.  All in=
 all, there tends to be quite a bit of squabbling going on around Cliff Swal=
low nests!
>=20
> Cheers,
> Susann
>=20
>> On 06/11/19 02:29 PM, NancyDowd <nancypdowd@gmail.com> wrote:
>> These Cliff Swallows are nesting in a barn in E Dalhousie, Kings. This ph=
oto shows the nest and entrance with an adult looking out https://www.flickr=
.com/photos/150605880@N07/48044595918/in/dateposted/  The short video is con=
fusing. Hard to tell who/how many is/are tending the nest. And seems there a=
re more than a pair of adults involved. You can hear a nasty spat off-stage b=
efore one returns and enters. Anyone know if they nest communally within the=
 large jugs? There was another jug one rafter over.
>> https://www.flickr.com/photos/150605880@N07/48044607217/in/dateposted/
>> Swallows are always fun to watch.
>>=20
>> Nancy D

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Thank you. That makes more sense. Yes I hav=
e seen their jug nests clustered together (where it must be complete mayhem)=
. So this could be competition for a nest site, a mate or a location to dump=
 eggs. Possibly all three at once. A rowdy world for sure.&nbsp;<div><br></d=
iv><div>Nancy D<br><div><div><br><div id=3D"AppleMailSignature" dir=3D"ltr">=
Sent from my iPad</div><div dir=3D"ltr"><br>On Jun 11, 2019, at 3:20 PM, sus=
ann myers &lt;myerss@eastlink.ca&g=
t; wrote:<br><br></div><blockquote type=3D"cite"><div dir=3D"ltr"><div>Hi, N=
ancy.</div><div><br></div><div>Cliff Swallows nest communally in terms of bu=
ilding nests near one another in a colony, but one pair builds and occupies e=
ach mud nest. There is a lot of competition over nest sites, however, and th=
ey will try to take over a nest from another pair of Cliff Swallows.&nbsp; T=
here is also apparently a fair bit of extra-pair copulation that goes on, in=
cluding males entering a nest that is not their own to copulate with the fem=
ale inside the nest.&nbsp; Also, brood parasitism is apparently common - fem=
ales lay eggs in the nests of other pairs, or transfer eggs from their own n=
est to another in their bills.&nbsp; All in all, there tends to be quite a b=
it of squabbling going on around Cliff Swallow nests!</div><div><br></div><d=
iv>Cheers,</div><div>Susann</div><div><br></div><span>On 06/11/19 02:29 PM, <=
b class=3D"name">NancyDowd </b> &lt;<a href=3D"mailto:nancypdowd@gmail.com">=
nancypdowd@gmail.com</a>&gt; wrote:</span><blockquote cite=3D"mid:88ACC5FF-3=
90D-499E-9C6E-65836DEB559C@gmail.com" class=3D"iwcQuote" style=3D"border-lef=
t: 1px solid #00F; padding-left: 13px; margin-left: 0;" type=3D"cite"><div c=
lass=3D"mimetype-text-plain">These Cliff Swallows are nesting in a barn in E=
 Dalhousie, Kings. This photo shows the nest and entrance with an adult look=
ing out <a href=3D"https://www.flickr.com/photos/150605880@N07/48044595918/i=
n/dateposted/" target=3D"l">https://www.flickr.com/photos/150605880@N07/4804=
4595918/in/dateposted/</a>&nbsp; The short video is confusing. Hard to tell w=
ho/how many is/are tending the nest. And seems there are more than a pair of=
 adults involved. You can hear a nasty spat off-stage before one returns and=
 enters. Anyone know if they nest communally within the large jugs? There wa=
s another jug one rafter over.<br><a href=3D"https://www.flickr.com/photos/1=
50605880@N07/48044607217/in/dateposted/" target=3D"l">https://www.flickr.com=
/photos/150605880@N07/48044607217/in/dateposted/</a><br>Swallows are always f=
un to watch.<br><br>Nancy D<br></div></blockquote>
</div></blockquote></div></div></div></body></html>=

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