De Natuurkalender
Latest observations
- Small heath · First ind.. 14-May-2024
- Great tit · First fledg.. 14-May-2024
- Broad-bodied chaser · F.. 14-May-2024
- Old world swallowtail ·.. 13-May-2024
- Black-tailed skimmer · .. 12-May-2024
- Blue-tailed damselfly ·.. 12-May-2024
- [vertalen: geleplomp] ·.. 12-May-2024
Updates
- Autumn colouring in the Netherlands is late; European autumn campaign with students 11-Oct-2021
- The 2017 growing season of a Dutch birch captured by the GrowApp 10-Dec-2017
- Capture the green explosion in your surroundings with the GrowApp; now also available on iOS 01-Apr-2017
- GrowApp: make an animation of climate change in your backyard 20-Mar-2017
Extra attention
Hazel
Record your first flowering of hazel: Anonymus or With account
Click here for the species of which we would like you to record your sightings.
Observations per week
Map
Jan
Dec
First flower