Dense vegetation along the Ucayali River
- WOK 7-4
- Item
- 1958
Part of W.O. Kupsch fonds
Dense vegetation along the Ucayali River. Crocodile on sand bank.
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Archival descriptionDense vegetation along the Ucayali River
- WOK 7-5
- Item
- 1958
Part of W.O. Kupsch fonds
Dense vegetation along the Ucayali River. Crocodile on sand bank.
Disjunct distribution of the ring-ouzel in Europe
- WOK 16-46
- Item
- [1962]
Part of W.O. Kupsch fonds
Disjunct distribution of the ring-ouzel (a thrush) in Europe. During the last glacial distribution was continuous. With amelioration of climate it broke up into northern and high mountain areas.