De Natuurkalender
Latest observations
- Small copper · First in.. 21-Jul-2017
- Wall Brown · First indi.. 21-Jul-2017
- Common ragweed · First .. 21-Jul-2017
Extra attention
White water lily
Record your first flowering of the white water lily: Anonymus or With account
Click here for the species of which we would like you to record your sightings.
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First flower
The Dutch phenological network with observations of yearly recurring life cycle events in nature since 1868.
The new website has been made possible by the Prins Bernhard Cultuurfonds and Wageningen University.
