Port Lincoln Osprey nest cam, Australia

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seira
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Re: Port Lincoln Osprey nest cam, Australia

Post by seira »

17:47
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20:56 cute bottoms
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Birdfriend
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Post by Birdfriend »

At 13:52 the chick 3 attacked chick 2, develops his skills for survive. I think the middle chick is the most peaceful from this trio.
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At this time only chick 1 has a huge crop. :bow:
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At 14:54 Little attacked big bob :slap: , then he/ she got the retribution from chick 1. Not nice to see, I had feared, that little would go over board. :bow:

16:27 The next heavy attack from Bob 1 against 2 and 3. No fish til now.
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Post by Birdfriend »

16:28 Finally fish, one is eating, the other two are knocked out...I really hope it calms down soon.
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16:46 Big bob is still eating alone, he/she is never sated.
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16:49 The next pecking attack against lil, Big Bob is stuffed so much but the aggression holds on. In the moment I'm really in sorrow...
16:50 Chick 2 could catch some bites, but 1 is not accepted that. :help:
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Just get enough from this day on the nest.
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sova
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Post by sova »

*****
good day to all
the smallest chick has died :sad:
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Post by Birdfriend »

OMG- I had feared it, heartbreaking- last season was the best for this nest. The last days it was worse. :cry:

The comment from PLO on their FB- page:
Port Lincoln Osprey
5 Std. ·
2022.10.16 - Mum has just been for a swim and is drying herself off on the barge - a great sight but all was not well on the barge today. Sadly No 3 Osprey, the smallest and last hatched, passed away today. The fight for survival is real in nature and only the strong survive. He was 3 days younger than his two siblings and unfortunately, he gave it his best, but he couldn't compete with No 1 & No 2. But on the bright side, we have two really healthy chicks that will be banded 12/13th November before they head off into the big wide world.
Hm, in my opinion this poor little guy is starved to death, got only some morsels from the fishes or nothing. The chick 1 is very aggressive to both siblings. One problem more was, that she /he was never sated and begrudged nothing the other two. The last days Dad brought also to less fish. However, sadly for the little guy, has fighted so much.

sova- thanks for sharing this sad news.
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seira
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Post by seira »

sova, Birdfriend

heartbreaking for the little one :cry:



This news is especially sad for me... I'm sick, please take care of yourselves
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Post by sova »

seira wrote: October 17th, 2022, 2:12 pm ....
This news is especially sad for me... I'm sick, please take care of yourselves
:hi: seira .... I wish you a speedy recovery
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Post by Birdfriend »

Seira, get well soon! At each time it is heartbreaking...and we are only able to watch in a few nests. :bow:
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Post by Birdfriend »

from FB-side Port Lincoln Ospreys:
Port Lincoln Osprey
17 Std. ·
I have never, nor will I ever, claim to be an 'expert' on Ospreys, but I take all of my guidance from Ian Falkenberg, as he is 'the expert.' I think I may have caused him to go grey and loose a few hairs, because sometimes the wheels turn too slowly for me, but here is his response to the passing of No3.
Whilst unfortunate and disappointing, as you are aware siblicide is a natural occurrence in many raptor species including Ospreys. The fastest growth period for the young is during the first 2 to 4 weeks and the highest demand for food. Given the egg hatching sequence and resulting genders with three young in the nest, two larger (probably female) and one smaller young (probably a male), it would be unlikely the smaller young would have survived. This is probably one of the reasons siblicide occurs very early in the development stage (higher demand for food) and is less likely during their feather development stage. This runty young would be at a serious disadvantage as the brood grows and matures. The adult male simply may not have been able to keep up the supply of food for all three very hungry young and as nature intended, the larger and stronger begging young, receives the most food, the result is a mortality of the weakest young to ensure the remaining two stronger young have the best chances of survival.
Any human intervention to save this young would be unlikely to result in a good outcome over the longer term and there is a wealth of evidence world wide to support this. This is one of the primary reasons intervention is discouraged as survival is very poor. In addition to the physical injuries the larger chicks inflict on the smaller young, there are likely to be psychological injuries and affects as well.
Whilst siblicide is difficult to understand from a human perspective, adult Ospreys and other raptors generally standby and do not intervene in these struggles for survival of their young. Sometimes extended brooding by the female can subdue siblicide behaviour for a time but rarely does it result in resolving conflict once the process has started. Its interesting siblicide is most prominent in the larger raptors (eg Eagles, Buzzards, Ospreys, etc) but uncommon in the Falcon group of raptors.
I believe there is no justification for human intervention and the removal of the weakest and smallest (runty) young from a nest. In this case the removal of the dead young from the nest was appropriate given the live webcam coverage and profile of the Osprey nest. In addition it is illegal to take a young from the nest without the appropriate authority and approval. The only situation I can think of where this type of action may be warranted, is where an Osprey nest is in danger from an imminent threat.
Cheers
Ian Falkenberg
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Post by Birdfriend »

For some which interested in:

A tribute for little bob 3 made by Bart, a moderator on chat.
Thank you very much for this video, tears run over my face. He was such a little fighter until to less food came to him over to long distances. :bow:

https://youtu.be/ScK_Swrd6c8
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Post by seira »

sova, Birdfriend :wave: thank you


https://www.facebook.com/portlincolnosp ... 554060295/
2022.10.23 - 35 & 34 days old - Both chicks are growing so quickly plenty of fish today so life is good on the nest.

https://www.facebook.com/portlincolnosp ... 523419733/
2022.10.20 - Sometimes Dad leaves home early so he can have a fish ready for when the kids wake up.

https://www.facebook.com/portlincolnosp ... 851873900/
2022.10.18 - Everyone feels much better after a good bath/shower - including Mum

https://www.facebook.com/portlincolnosp ... 978064336/
2022.10.18 - 30 & 29 days old - Dad went off fishing early this morning and came back with breakfast.

https://www.facebook.com/portlincolnosp ... 803981077/
2022.10.17 - Mum wastes no time in feeding the two chicks today.

......

https://www.facebook.com/portlincolnosp ... 178575444/
2022.10.25 - Thistle Island - I guess 2 out of 3 is not bad. A bit of difference in the size. Phone reception is very poor where this nest is so we din't get an update every day.

......

https://www.facebook.com/portlincolnosp ... 064904637/
2022/.10/25 - Tumby Island - 17.00 tonight and there are still two eggs - things are starting to look grim for this season on Tumby Island.

https://www.facebook.com/portlincolnosp ... 555946396/
2022.10.23 - Tumby Island - At 5.45pm today we still have 2 eggs - They're certainly taking their time.

https://www.facebook.com/portlincolnosp ... 435165135/
2022.10.22 - Tumby Island - Still waiting for the eggs to hatch on Tumby Island - surely it will be tonight.

https://www.facebook.com/portlincolnosp ... 244723701/
2022.10.21 - Tumby Island - Still two eggs at 6.31am today

https://www.facebook.com/portlincolnosp ... 627855268/
2022.10.20 - Tumby Island - Marrum is getting a little restless tonight, turning the eggs often - maybe tonights the night.
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Post by seira »

November 1

16:42 such bad weather
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20:46 oh, Mom is great
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22:00
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Post by Birdfriend »

2.November

The middle chick is also died of starvation and sibling rivalry. :cry: :cry:
There was a really bad weather during the last days, much to less fish was brought and against chick#1 the poor one had no chance. It died at the age of 44 days.
My report is ending now for this season, can carry it no more at the moment.

They were able to put fishes at the platform... starving to death is so cruel
The birds will ringed and some gets transmitter, so they should them help too...intervene is both!
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Post by seira »

November 3

https://www.facebook.com/portlincolnosp ... 871435075/
2022.11.03 - A sad day on the barge nest yesterday. Unfortunately a combination of wild windy weather, Dad unable to fish and an aggressive older sibling all combined to take a toll on Chick No 2. But on the bright side we still have one really healthy chick who is finding out what it is like to live alone on the nest for a while.
:cry:

https://www.facebook.com/portlincolnosp ... 636861964/
2022.11.03 - And on a brighter note No 1 had enough to eat so when Dad landed on the nest Mum fed him instead - have not seen that before - another reason why we can learn so much from these cameras.
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Post by sova »

I've never seen such big chicks starve to death.
I rarely looked into this nest, never had a good feeling.
I'm so sorry for the little one :sad:

Mom is in feeding mode
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Post by seira »

November 6

https://www.facebook.com/portlincolnosp ... 496129438/
2022.11.06 - And once Mum was fed it was time to feed No 1

https://www.facebook.com/portlincolnosp ... 240485487/
2022.11.06 - 49 days old - It's time to stretch these wings and get them ready for take off.

https://www.facebook.com/portlincolnosp ... 122241555/
2022.11.06 - Mum is having a quick bite to eat before sharing.
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Post by seira »

November 8

https://www.facebook.com/portlincolnosp ... u7aGmfi11l
Our friend Bart Molenaar has been amazing this year maintaining the observation board on YouTube and keeping records up to date. Now he has put together an amazing video to celebrate the life of chick #2 who sadly died at 44 days after the storms a little while ago. The video shows a day by day development of the young chick, it’s funny in places, educational and of course sad but definitely worth a look
https://youtu.be/-5NwliGyHek
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Post by seira »

November 10

https://www.facebook.com/portlincolnosp ... cH3ZGb3xpl
2022.11.10 - So good to actually get a photo of Phantom on Kanagroo Island today. Thanks Caty Morris for sharing.

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Post by seira »

November 11

https://www.facebook.com/portlincolnosp ... 522608934/
2022.11.11 - Mum making the most of todays warm weather.

https://www.facebook.com/portlincolnosp ... 624017864/
2022.11.11 - Boston Island - This pair of Osprey spent 90 minutes checking out the view from the nest on Boston Island today. Do hope they plan to make it their new home next season.


November 12

https://www.facebook.com/portlincolnosp ... 147233843/
2022.11.12 - Ervie - While Taryn-lee Perrior was out doing surveys today she came across Ervie eating another Puffer Fish. It's was good to know even in this horrendous weather that he was able to get himself a feed. Thank you for sharing Taryn-lee

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Post by seira »

November 13

https://www.facebook.com/portlincolnosp ... 657653076/
Shark Cage Diving - Calypso Star Charters were supposed to be tracking and banding Osprey today but the weather conditions were against us but it didn’t stop this White Bellied Sea Eagle from catching his lunch to take back to Boston Island.
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https://www.facebook.com/portlincolnosp ... 251693671/
And our next job is to tow in the ’old’ barge that was struggling to cross the bay in these weather conditions. This is the original barge the Osprey nested on.
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