Black-crowned Night-Heron

Black-crowned Night-Heron Nycticorax nycticorax

Range map: Pre-breeding migration

Black-crowned Night-Heron, Range map: Pre-breeding migration
The Cornell Lab logo
Data provided by eBird

Black-crowned Night-Heron

Nycticorax nycticorax

Range: Pre-breeding migration

This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within the pre-breeding migration season.  Learn more

Occurrence
Pre-breeding migratory season
Season date range
Mar 22 - May 31 Learn more