Monthly Occurrence
Brighter months indicate more photos taken (a rough guide to when you are most likely to encounter this species).
Occurrence by Time of Day
Brighter time slots indicate more photos taken (a rough guide to the best times to encounter this species; Japan Standard Time). Based on EXIF capture times, so treat results for species with few photos as approximate.
Where It Was Photographed
Showing photo locations where GPS data is available. When multiple photos were taken at the same spot, the circle appears larger.
Species Often Seen Together
Species observed together within リュウキュウツバメ (within 200 m; expanding to 1 km if needed, or the same area if still none found) and within two weeks before or after the date photographed. The number shows how many days each species was actually observed together, sorted from most to least (bars indicate relative frequency within this group).