Black Stork Nest in Karula 2019

Cameras Watching over Black Storks nest
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Michi
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Re: Black Stork Nest in Karula 2019

Post by Michi »

asteria wrote: June 20th, 2019, 12:25 pm In Dab nest it was much worse, because in 2016 the hawk caught all the storklets! In 2017 it took away two storklets but two younger chased it away and survived. Last year the hawk appeared in July and was not dangerous for them, all the four fledged. This year situation you know: one storklet caught.
How terrible. :-(
Then I've seen year 2017 and saw the defense of the two remaining storklets.
This year I don't watch continously. I haven't known that the goshawk has catched one. :-(((
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Post by Crissy »

Article from the attack this morning
https://www.looduskalender.ee/n/node/3594

Now that we have set it right, we are dealing with the first year of the hawk, because we can see the piercings in the chestnut.

During the attack, the tactics of the hawk changes because the storklets protect themselves. All it takes is over time to pull someone off the nest, which happens in the fifth minute of the video.

The hawk weighs just over a kilo and the storklets are approaching the kilo.

We don't know what's going on underneath the nest, but the hawk hasn't gone anywhere and the new attack took place at three quarters of ten…
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Liz01
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Post by Liz01 »

12:33 Feeding by Karl brings food
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Michi
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Post by Michi »

12:36 Finally Kati is here. Feeding.

12:36:48
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12:36:51
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12:37:10 I couldn't see what she brought. It was eaten within seconds.
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Edit:
It turned out, that it was Karl II who has fed the storklets.
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Biker
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Post by Biker »

i am sorry for all who like them so much, sitting at the PC and see all this calamity.
poor storklet, poor Urmas (may be he has no time each time to hurry up there to the nests :puzzled: , i think he has a lot other things to do, )
a black day
I hope it goes well anyway
*Please don't feed the trolls!*
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Liz01
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Post by Liz01 »

Crissy wrote: June 20th, 2019, 12:33 pm Article from the attack this morning ..
Thank you Crissy :2thumbsup:
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Post by Solo »

Michi wrote: June 20th, 2019, 12:32 pm...
PL Dab-nest, goshawk attacks:
2019, June 7 - 1 chick (by igakr) https://youtu.be/lGDR73xyUB0
2018 - 0 (goshawk was here on July, 2 - 4 chicks were already big :D https://youtu.be/E5sCjtSQ1OM by our Liz)
2017, June 10 and 13 - 2 of 4 (by our Liz): https://youtu.be/hViK1BkAFv4 and https://youtu.be/UkQ9vgg-Vq0, but attacked also on July 18 https://youtu.be/k5_LXeceI-4 (Woodek and Malwin)
2016, June 27, June 27 and June 30 - all 3 (by prof. Piotr Zieliński) https://www.youtube.com/channel/UCkulO1 ... LhzJEvb9lg
(viewtopic.php?p=663906#p663906)
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Post by Solo »

Liz01 wrote: June 20th, 2019, 12:37 pm12:33 Feeding by Karl brings food...
earthworms?
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Michi
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Post by Michi »

12:37:13 After feeding. Kati has left the nest immediately.
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Edit:
It was not Kati; it was Karl II.

12:47 Well filled crops.
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asteria
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Post by asteria »

In 2016 in Dab nest there were two factors: the parents left the nest for a very long time and the chicks hatched very late(the last one only in June, 6) and were very small. Next year the chicks appeared earlier and the parents spent more time with them(if it was the same couple). In 2016 the chicks had not a single chance.
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Post by Liz01 »

Solo wrote: June 20th, 2019, 12:46 pmearthworms?
fish :laugh:
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Post by Solo »

Liz01 wrote: June 20th, 2019, 12:51 pmfish :laugh:...
:2thumbsup: :D
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Post by leonia »

Crissy wrote: June 20th, 2019, 12:33 pm Article from the attack this morning
https://www.looduskalender.ee/n/node/3594
Hello Crissy, thank you very much for your quick translation! That helps me to translate it into German immediatelly (GT Translator wasn't helpful with it :slap: ).

:wave:

NB: Because it usually takes time, that it will be place on the main page, I'll put the German text only into the thread "Natur in Looduskalender".
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Post by Anne7 »

Hello, everyone.

OMG, poor little storklet. :unsure:
I was not at home and could only follow this drama on my smartphone.
Thank you all for reporting.

Goshawks also have to hunt and to eat, of course, but I feel very sad.

Unfortunately, the storklets are still light and young and a goshawk can still push them off the nest.
Hopefully, the two remaining storklets will be left in peace, but it is quite possible that the goshawk will return.

The First Documented Case of Northern Goshawk Accipiter gentilis Predation on Black Stork Ciconia nigra Nestlings
Bartosz JANIC, Maciej KAMIŃSKI, Dariusz PIENIAK, Michał STRAWIAK and Piotr ZIELIŃSKI, Poland
In 2016 and 2017 five instances of the Northern Goshawk Accipiter gentilis depredating Black Stork Ciconia nigra nestlings were observed using web camera installed at a Black Stork nest in central Poland. In 2016 the Goshawk depredated whole brood of three Black Stork nestlings. The nestlings’ ages at the time of the attack were 23, 21 and 23 days. In 2017, at the same nest, the Goshawk partially depredated the brood, removing two (age 21 and 24 days) out of the four nestlings. In 2018, in another nest with a web camera, the Goshawk depredated whole brood of five nestlings (age 26, 29, 35, 37 and 38 days). It is suggested that the impact of the Goshawk predation on Black Stork broods is much stronger than previously thought. This study was a part of a Black Stork joint project of the Regional Directorate of State Forests in Lodz, the Eagle Conservation Committee and the University of Lodz (2016-2017) and the Regional Directorate of State Forests in Lodz and the University of Lodz in 2018.

New Data on Black Stork Nest Predators in Latvia
Māris STRAZDS and Linda OSE
We used trail cameras to collect more accurate data on Black Stork phenology, to collect ring recoveries of adult birds and to improve knowledge on the behaviour of Black Storks in Latvia since 2011. The total amount of data to be used for analyses comprises 9,351 camera days, with 5,218 days of stork presence, 1,141,248 pictures in total. These data among other things also document numerous visits of predators and show some depredation cases in detail. The new data have changed our understanding of the significance of some of the known predator species, namely Goshawk Accipiter gentilis depredation is far more significant than was suspected earlier. Another important new finding is that many depredation cases are partial. This leaves some nests "depredated" but successful at the same time. Our data show that depredation during egg period is very strongly underrated and that partial depredation is most frequently not registered at all. We discuss the differences in patterns of attacks of various predator species and difficulties in discovering true causes of egg and/or chick loss during the breeding season.
“Clearly, animals know more than we think, and think a great deal more than we know.”
— Irene Pepperberg
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Michi
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Post by Michi »

Biker wrote: June 20th, 2019, 12:39 pm i am sorry for all who like them so much, sitting at the PC and see all this calamity.
.......
I would like to join in.
Big thanks to Liz, Crissy, Solo and everyone for all the reports, pictures and videos! :2thumbsup: :2thumbsup:

Crissy, thank you very much for the Looduskalender article!
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Post by Solo »

Anne7 wrote: June 20th, 2019, 1:01 pmThe First Documented Case of Northern Goshawk Accipiter gentilis Predation on Black Stork Ciconia nigra Nestlings...
thanx Anne, links pls

we followed these events in Black Stork Nests in Europe thread
summary also here: viewtopic.php?p=668165#p668165

in HU is documented also attack by WTE (video https://youtu.be/Ajhy9qZV1rw - be very carefully )
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Post by Liz01 »

Solo wrote: June 20th, 2019, 1:10 pm
we followed these events in Black Stork Nests in Europe thread
summary also here: viewtopic.php?p=668165#p668165

in HU is documented also attack by WTE (video https://youtu.be/Ajhy9qZV1rw - be very carefully )
I think that's the link:
https://storkibisspoonbill.org/wp-conte ... tracts.pdf

Yes, it is these pdf :thumbs: I've read it very fast
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Post by Solo »

Liz01 wrote: June 20th, 2019, 1:38 pmI think that's the link:...
thanx Liz - PM a little later
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Post by Liz01 »

14:13 poor butterfly. Storklet caught and ate it.
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Post by Liz01 »

14:38 Kati comes with lunch. She has brought a lot of fish
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