This blog introduces the life of a goshawk, a wild drama that unfolded in front of the caretaker in an urban park Tokyo Japan from July 2017 to December 2018.
It seems that he is observing a male who has been in the nest since the beginning of the morning and a female from there.
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I found a male who couldn't meet a female yesterday, and the next day he was in the park with a female early in the morning.
It's been a while since I've seen both males and females together.
Even if we are together, we only scream each other and do not get closer than a certain distance.
It seems that they are observing each other sideways and communicating with each other.
I'm sure this is the goshawk style.
Did the female already tell the male where to find her favorite nest? She found the male in the nest in the morning.
It's the same nest I used last year.
The female is doing something on a nearby tree branch, from which the male seems to be observing the female's behavior.
Are you showing the male the gesture of breaking a twig, a female that reappears in the park?
The figure of a female making a gesture like breaking a twig of a tree near the nest.
Are you telling the male something?
It may be a signal that "start building a nest!"
After this day, male nesting materials began to be carried.
Male who started transporting nest material
Fold a reasonably sized twig, transport it to the nest, assemble it, and then take off from the nest again to secure the nest material.
At first, I had a hard time finding affordable nesting materials, but gradually I was able to find them quickly.
When he finds an affordable branch, he folds it and carries it to the nest, and then leaves the nest again in search of nest material.
I repeated such a thing over and over again.
As expected, he is a master of hunting and has great concentration.
Sometimes I continued to work for 4 hours and 5 hours in a row with almost no rest.
It worked fiercely as if the construction deadline was approaching.
Only cut out tree branches are used for carrying twigs.
Even though there are quite a few twigs on the ground.
It's probably aimed at things that are free of insects and mold.
It may have been an instinct cultivated through many years of experience in order to succeed in breeding.
Goshawks will be hungry if they work this much.
After working for a while, I wonder if I will go hunting somewhere.
Once I go somewhere, it's hard to come back.
Small twigs carried by beak
The material for the nest, large branches, would be small in number, but such tree branches are hard to break.
I try to fold it quite a bit, but it wastes time and is not efficient.
After all, the target is a tree branch that breaks easily.
Pinch and carry such small tree branches with your beak.
Even such a small tree branch is carefully transported and assembled into the nest once and for all.
Isn't this branch too small?
Large nest material is carried by foot
This time it seems that a big tree branch broke well.
It would be nice if we could get a lot of branches like this, but the current situation is that it doesn't go well. When it reaches this size, you can grab it with both feet and carry it.
A craftsman who works to achieve his purpose, a brilliance of eyes that is different from when hunting
As the days go by, the nests that gradually build up and how many branches are piled up.
Females sometimes come to the park to watch over the work of males.
It seems to be a site director who occasionally comes to the site.
Under the watchful eye of the on-site supervisor, the male worked harder to carry the nest material.
Thinking about the children to see in the future, I was filled with a sense of fulfillment, and the eyes of the male who proceeded with the work were shining.
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to be continued
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