ハジロカイツブリとミミカイツブリ / Black-necked Grebe and Horned Grebe

This is a shot of part of a flock of Black-necked Grebe. I did not realize until Mr. S., who accompanied me, told me that there was one different one.

ハジロカイツブリ / Black-necked Grebe

Here are Black-necked Grebes.

ハジロカイツブリ / Black-necked Grebe
ハジロカイツブリ / Black-necked Grebe

The rightmost one is a Horned Brebe. There is no brown area below the eyes, and the tips of the eyes are whitish. According to the book, the area between the eyes and the bill is red, but I cannot distinguish that much.

This kind of mixed grouping is common among birds. I wonder if they don’t notice it. I think so, but if they have never seen themselves in a mirror, they would not know that their surroundings are different from their own. If they act together and feel no discomfort, they must be like, “Oh, well.”

ミミカイツブリ / Horned Brebe
ミミカイツブリ / Horned Brebe

There were also Tufted Ducks.

キンクロハジロ / Tufted Duck
キンクロハジロ / Tufted Duck

A flock of Bean Goose returned from foraging.

オオヒシクイ / Bean Goose (A. f. middendorffii)
オオヒシクイ / Bean Goose (A. f. middendorffii)

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