Summary Vernon, C. J. 1977. Nineteenth ringing report for southern Africa. Ostrich 48:106-109. A report on ringing activities for southern Africa from July 1975 to June 1976 is presented. A total of 36 016 birds of 419 species was ringed. The trends follow the general decline in ringing activities sinze a peak in 1970/71.
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(2025-6-4)
Nole
馆长
OK
奔跑
GingerF
东方元语
Criminology34
单纯的书白
serita
sanvva
Zsq
阔达曼寒
陌上
牧青
幻影猫
heekkll
ok
mmyhn
无衷
安详香旋
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