Male population of certain endangered species

I was looking at my phone the other day and saw the release of a survey by the Wild Bird Society of Japan on the number of male Eurasian bittern inhabiting in Japan.

According to the report, the number was revealed to be 17 birds.

Eurasian bittern are classified as endangered EN in this country.

Aside from that, I have visited the specific location of Inba-numa in the prefecture several times since 2014 to photograph this bird, and on my fifth visit, I happened to find it foraging on a rainy day in a rice field about 500 meters away from the swamp and photographed it.

I visited the site several times after that, but I never saw it.

There is only chirping in the reeds.

The male and female plumage of this bird is the same color, so it is said that the male's 'call' when he has territory is the only way to determine its identity.

IB (EN: endangered) has a high risk of extinction in the wild in the near future, although it is not as endangered as IA.

This image was captured on June 9, 2014 at 11:21 am.