Constant Swinkels Author

Dirk Hilbers (born The Netherlands, 1976), set up the Crossbill Guides Foundation and travels Europe to research the guidebooks. This is the 26th guide he has worked on. When not in the field, Dirk Hilbers is a lecturer of environmental ethics at the University of Amsterdam. Constant Swinkels (born The Netherlands, 1995), now finalizing his master degree in ecology, has been a naturalist from the moment he was able to hold a pair of binoculars. His interests are broad - from birds to wildflowers and butterflies to reptiles. Constant specialises in vegetation ecology and co-authored the routes, the bird section and the ecological chapters of this book. Albert Vliegenthart (born The Netherlands, 1975) works at `De Vlinderstichting' - the Dutch butterfly conservancy and is a butterfly and dragonfly specialist, as well as being a keen birdwatcher. Albert has co-authored the routes and contributed to the insect and bird sections of this book.