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| March 1993. Orange tip (Anthocharis cardamines),
male. Water colours and colour pencils. |
December 1993. Bullfinch (Pyrrhula pyrrhula),
pair. Water colours and colour pencils. |
December 1993. Bullfinch (Pyrrhula pyrrhula),
pair. Second version. Water colours, colour pencils, and ink. |
March 1994. Rabbit (Oryctolagus cuniculus).
Water colours, colour pencils, and ink. |
December 1994. Blue tit (Parus caeruleus). Water
colours, colour pencils, and ink. |
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| March 1991. Black-and-white ruffed lemur (Varecia
variegata), adult female carrying infant. Ink drawing (published in: Ceska, V.;
Hoffmann H.-U. & Winkelsträter K.-H. (eds.) 1992: Lemuren im Zoo. Paul Parey
Verlag, Berlin und Hamburg) |
March 1991. Black-and-white ruffed lemur (Varecia
variegata), infant. Ink drawing (published in: Ceska, V.; Hoffmann H.-U. &
Winkelsträter K.-H. (eds.) 1992: Lemuren im Zoo. Paul Parey Verlag, Berlin und
Hamburg) |
December 1991. Yellow-cheeked crested gibbon (Nomascus
gabriellae), subadult pair. Pastel crayons. |
March 1992. Convolvulus hawk-moth (Agrius convolvuli).
Water colours, colour pencils, and ink. |
April 1992. Seven-spotted lady bird beetle (Coccinella
septempunctata). Water colours, felttip markers, colour pencils, and ink. |
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| 1989. Northern white-cheeked crested gibbon (Nomascus
leucogenys), adult pair. Ink drawing. |
March 1989. Northern white-cheeked crested gibbon (Nomascus
leucogenys), adult pair; coloured version. Colour pencils, felttip markers, and
ink. |
March 1989. Northern white-cheeked crested gibbon (Nomascus
leucogenys), adult pair; letter-head logo. Computer-edited ink drawing. |
December 1990. Northern white-cheeked crested gibbon
(Nomascus leucogenys), adult male catching flies.Water colours, colour pencils,
and ink. |
January 1991. Delacour's leaf monkey (Trachypithecus
delacouri). Ink drawing. |
