eBird: Where birds are being seen: maps from millions of birdwatchers. Light Pollution Map: Find dark skies: light pollution maps from satellite data.
| eBird | Light Pollution Map | |
|---|---|---|
| Category | Environment & Wildlife Maps | Environment & Wildlife Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Continuously (community edits) | Yearly |
| Data source | Birdwatchers' checklists | VIIRS satellite data and sky brightness models |
| Made by | Cornell Lab of Ornithology | Jurij Stare |
| Price | Free | Free |
| Account | Free to view, account for extras | No account needed |
| On phones | Phone app available | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with eBird
- Species range and sighting maps
- Birding hotspots
- Recent sightings near you
What you can do with Light Pollution Map
- Satellite night lights by year
- Sky brightness model
- Observer measurements
- Aurora overlay
Summary based on public information. Check each map's website for current features and prices.