Herons & Egrets in Mongolia
Our list for Mongolia has 5 herons & egrets recorded regularly there: 3 summer visitors and 2 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Mongolia in October, 2019–2024. Each month links to that month’s page.
All 5, most common first
Grey HeronArdea cinereaSummer visitorCommon90–98 cmRegularly Mar–Oct
Great White EgretArdea albaSummer visitorCommon80–104 cmRegularly Apr–Oct
Eurasian BitternBotaurus stellarisSummer visitorUncommon69–81 cmRegularly May–Sep
Black-crowned Night-heronNycticorax nycticoraxPassage migrantRare58–65 cmRegularly May–Jun
Little BitternIxobrychus minutusPassage migrantRare33–38 cmRegularly Jun
Smallest to largest
Length, cm- Little Bittern 33–38 cm
- Black-crowned Night-heron 58–65 cm
- Eurasian Bittern 69–81 cm
- Great White Egret 80–104 cm
- Grey Heron 90–98 cm
Body length, bill to tail. Rare birds in grey.
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made