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Distribution of  Thayer's Gulls L.thayeri 
in Japan, 2001-2002 winter.

Some of the Thayer's Gulls  regularly winter along the Pacific coast of Japan. Last winter, 24 individuals were observed. 16 of them were found in Choshi / Hasaki area.

Click place names on the clickable map below.
n} MapMap ver3,3



 
16 Thayer's Gulls in Choshi, 2001-2002 winter
Adult winter
January 25th 2002
The first discovery;
December 1987.

The most regular
individual.
small bill, 
heavy streaking

Adult winter
January 14th 2002
The first discovery;
December 1987.

Very short legs.
uniform winter 
markings, smaller
white spots 
on primaries.

Adult winter
December 24th 2001
The first discovery;
February 1994

Whitish head,
paler mantle,
less black on primaries.

Adult winter
March 25th 2002
The first discovery;
January 2001

Large, male-type.
almost same 
size as average vegae.

Adult winter
January 19th 2002

heavy winter marking, relatively dark mantle among the thayer's Gulls.

(Sub?) adult winter
January 19th 2002
Adult winter
March 25th 2002
The first discovery;
December 1999

Small, rounded head,
very dark eyes,
smaller white spots 
on primaries.
 

Adult winter
February 20th 2002

Probably 
the smallest.
small bill, 
larger white 
on primaries.

Adult winter
March 20th 2002

Pale eyes.
 

Adult winter
March 4th 2002
The first discovery;
March 2001

Relatively longer bill,
short legs.
 

Third winter
January 20th 2002

quite heavy markings.

Second winter
February 14th 2002
Juvenile
October 27th 2001
Juvenile
November 24th 2001
Juvenile
December 17th 2001
Juvenile
March 11th 2002
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Adult winter
Odaito Hokkaido Japan
December 17th 2001

Photos by Yoshiaki Watanabe

Adult winter
kisarazu Chiba Japan
January 9th 2002
Adult winter
Isshiki Aichi Japan, 
January 19th 2002, 
Photos by Ryoji Seto
Adult winter
Hachinohe Aomori Japan, 
December 2nd 2001, 
Photos by Junichi ebina
Adult winter
Hachinohe Aomori Japan, 
January 20th 2002, 
Photos by Junichi ebina
4th winter
Hachinohe Aomori Japan, 
January 6th 2002, 
Photos by Junichi ebina
3rd winter
Hachinohe Aomori Japan, 
January 20th 2002, 
Photos by Junichi ebina
Juvenile
Odawara Kanagawa Japan
December 17th 2001

 
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