Nature Today

De Natuurkalender

Extra attention

Observations per week

Map

First flower First flower   Leaf unfolding Leaf unfolding   End leaf fall End leaf fall   Fruits ripe Fruits ripe   Autumn colouring (50%) Autumn colouring (50%)   Autumn colouring (100%) Autumn colouring (100%)  

Logo De Natuurkalender

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.