De Natuurkalender
Latest observations
- [vertalen: lijsterbeswilde] &m.. 05-Jul-2025
- Old world swallowtail ·.. 05-Jul-2025
- Banded demoiselle · Fir.. 04-Jul-2025
- Gatekeeper · First indi.. 04-Jul-2025
- Meadow brown · First in.. 04-Jul-2025
- Wasp · First on sweet 04-Jul-2025
- Marsh woundwort · First.. 03-Jul-2025
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