Yellow-crowned Night-Heron

Yellow-crowned Night-Heron Nyctanassa violacea

Abundance map

Yellow-crowned Night-Heron, Abundance map
The Cornell Lab logo
Data provided by eBird

Yellow-crowned Night-Heron

Nyctanassa violacea

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
0.46
17.1
Breeding season
May 3 - Jun 14
0
0.46
17.1
Non-breeding season
Nov 16 - Feb 22
0
0.46
17.1
Pre-breeding migratory season
Mar 1 - Apr 26
0
0.46
17.1
Post-breeding migratory season
Jun 21 - Nov 9
0
0.46
17.1
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more