期望数量
Relative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 2 kilometer traveling checklist at the optimal time of day for each species.
了解更多全年
0.031.612
Breeding Season
3日 5月 - 12日 7月
0.031.612
Non-breeding Season
22日 11月 - 8日 2月
0.031.612
Pre-breeding Migratory Season
15日 2月 - 26日 4月
0.031.612
Post-breeding Migratory Season
19日 7月 - 15日 11月
0.031.612
Seasons Timeline
123456789111