| Henk Sierdsema |
| Henk Sierdsema (1964) studied biology at Wageningen University. He lives in the town Dieren at the fringe of the largest Dutch nature area, the Veluwe. He works at SOVON which is the Dutch Centre for Field Ornithology and he is specialised in the use of bird data in nature management and policy. He has many slides of in particular landscapes and ecotopes, all over Europe (including the far North) and from some areas outside Europe (Northern America, Mexico, Israel, Nepal). |
 |