Ducks in Aomori decreased since last year by over 50%

According to Wild Bird Society of Japan in Aomori and Hirosaki branch, the ducks in Aomori prefecture significantly decreased since last year.
The survey was conducted on 1/13/2013.


Greater scaup : 9835 → 4239
Mallard : 5408 → 2013
Spot‐billed duck : 6977 → 3649

The organization comments it’s because the cold wave was severe this year. It caused the shortage of food and increased the risk of being attacked by natural enemy such as fox.

Related article…Steller’s sea eagle and white-tailed eagle to pass the winter in Iwate prefecture are the least since 1985 [URL]




Français :

Le nombre de canards dans la préfecture d’Aomori a diminué de plus de 50 % depuis l’an dernier


Selon les branches d’Aomori et d’Hirosaki de la Wild Bird Society of Japan, le nombre de canards de la préfecture d’Aomori a sérieusement diminué depuis l’an dernier.
L’étude a été faite le 13 janvier 2013.

Fuligule milouinan (Aythya marila) : 9835 → 4239
Canard Colvert (Anas platyrhynchos) : 5408 → 2013
Canard à bec tacheté (Anas poecilorhyncha) : 6977 → 3649

L’association déclare que c’est parce que l’hiver a été très rigoureux cette année. Il a provoqué une pénurie de nourriture et augmenté l’exposition aux prédateurs naturels comme le renard.

Article lié : Le pygargue de Steller et le pygargue à queue blanche passent moins l’hiver à Iwate depuis au moins 1985

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I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
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