racing pigeon

…However, with the development of communication technology such as radio, they gradually lost their practical significance. They were used until the end by newspapers to transport photographic film, but since the 1950s they have mainly been kept for racing by hobbyists, and are often called racing pigeons. Pigeons that are transported far away return home because of their strong attachment to their nests, chicks, and mates. …

*Some of the terminology that mentions "racing pigeon" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし無線などの通信技術の発達により，しだいに実用上の意義を失った。新聞社による写真フィルム運搬には最後まで利用されたが，1950年代以降はおもに愛好者の競技用に飼われ，レース鳩racing pigeonということが多い。遠方に運ばれたハトは，自分の巣や雛，つがいの相手に対する強い執着のために帰巣する。…

※「racing pigeon」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報