| Mallard (Anas platyrhynchos) | | 2020-04-29 | 2020-04-02 | Kostveit (Telemark, Norway) |
| European Starling (Sturnus vulgaris) | | 2020-04-29 | 2020-04-17 | Kostveit (Telemark, Norway) |
| European Starling (Sturnus vulgaris) | | 2020-04-29 | 2020-04-17 | Kostveit (Telemark, Norway) |
| Common Blackbird (Turdus merula) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Common Blackbird (Turdus merula) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Common Crane (Grus grus) | | 2020-04-29 | 2020-04-08 | Kostveit (Telemark, Norway) |
| Common Crane (Grus grus) | | 2020-04-29 | 2020-04-08 | Kostveit (Telemark, Norway) |
| Common Crane (Grus grus) | | 2020-04-29 | 2020-04-22 | Kostveit (Telemark, Norway) |
| Chaffinch (Fringilla coelebs) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Chaffinch (Fringilla coelebs) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Peacock Butterfly (Aglais io) | | 2020-04-29 | 2020-04-14 | Kostveit (Telemark, Norway) |
| Colt's-foot (Tussilago farfara) | | 2020-04-29 | 2020-04-03 | Kostveit (Telemark, Norway) |
| Bumble-bee (Bombus sp.) | | 2020-04-29 | 2020-04-10 | Kostveit (Telemark, Norway) |
| Wood Anemone (Anemone nemorosa) | | 2020-04-29 | 2020-04-25 | Kostveit (Telemark, Norway) |
| Canada Goose (Branta canadensis) | | 2020-04-29 | 2020-04-02 | Kostveit (Telemark, Norway) |
| Canada Goose (Branta canadensis) | | 2020-04-29 | 2020-04-02 | Kostveit (Telemark, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-29 | 2020-04-19 | Kostveit (Telemark, Norway) |
| White Wagtail (Motacilla alba) | | 2020-04-29 | 2020-04-19 | Kostveit (Telemark, Norway) |
| Wood Pigeon (Columba palumbus) | | 2020-04-29 | 2020-03-26 | Kostveit (Telemark, Norway) |
| Wood Pigeon (Columba palumbus) | | 2020-04-29 | 2020-03-26 | Kostveit (Telemark, Norway) |
| Robin (Erithacus rubecula) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Robin (Erithacus rubecula) | | 2020-04-29 | 2020-03-29 | Kostveit (Telemark, Norway) |
| Goat Willow (Salix caprea) | | 2020-04-29 | 2020-04-28 | Kostveit (Telemark, Norway) |
| Mallard (Anas platyrhynchos) | | 2020-04-29 | 2020-04-02 | Kostveit (Telemark, Norway) |
| Colt's-foot (Tussilago farfara) | | 2020-04-29 | 2020-04-28 | Kostveit (Telemark, Norway) |
Sustain.no is provided by the Norwegian Centre for Science Education