• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Recommended citation
BirdLife International (2024) Species factsheet: Heermann's Gull Larus heermanni. Downloaded from https://datazone.birdlife.org/species/factsheet/heermanns-gull-larus-heermanni on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/11/2024.