Black-crowned Night-Heron

Black-crowned Night-Heron Nycticorax nycticorax

Abundance map

Black-crowned Night-Heron, Abundance map
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Data provided by eBird

Black-crowned Night-Heron

Nycticorax nycticorax

Abundance

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.  Learn more

Relative abundance
Year-round
0
0.58
112.74
Breeding season
Jun 7 - Aug 24
0
0.58
112.74
Non-breeding season
Nov 30 - Mar 15
0
0.58
112.74
Pre-breeding migratory season
Mar 22 - May 31
0
0.58
112.74
Post-breeding migratory season
Aug 31 - Nov 23
0
0.58
112.74
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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