Black-crowned Night-Heron

Black-crowned Night-Heron Nycticorax nycticorax

Abundance map: Non-breeding

Black-crowned Night-Heron, Abundance map: Non-breeding
The Cornell Lab logo
Data provided by eBird

Black-crowned Night-Heron

Nycticorax nycticorax

Abundance: Non-breeding

This map depicts the seasonally-averaged estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region, averaged across the non-breeding season.  Learn more

Relative abundance
Non-breeding season
0
0.58
112.74
Season date range
Nov 30 - Mar 15 Learn more