Similar to 都市鳥研究会

1st Division (Imperial Japanese Army)

1964 Summer Olympics

2channel

37signals

Association for Computing Machinery

ASTM International

BRAC (organisation)

Chemical Abstracts Service

Institute of Electrical and Electronics Engineers

IEEE Computer Society

ISSN

Japan Railways Group

K2

MIT Media Lab

1349 (band)

Ornithology

Dactyly

American Ornithological Society

The Birds of America

British Ornithologists' Union

Feather

Flight feather

Bird anatomy

Crest (feathers)