Observations of a novel predatory gull behavior on an invasive ascidian: A new consequence of coastal urban sprawl? - Holman - 2019 - Ecosphere - Wiley Online Library
Why you should have more sympathy for seagulls – and how to stop them stealing your chips
Herring Gull (Crum Woods Biodiversity Guide) · iNaturalist
Caspian Gull - eBird
Bird Guide | Environmental Data Center
American herring gull - Wikipedia
Your Awesome Neighbourhood Herring Gull (And Its Many Cousins) - Scientific American Blog Network
Herring Gull Identification, All About Birds, Cornell Lab of Ornithology
Red List 2022 – Number Two – The Herring Gull | Bug Woman – Adventures in London
Dexterous herring gulls learn new tricks to adapt their feeding habits
SPEAKING of NATURE: Give gulls the respect they deserve | Lifestyle | fltimes.com
Glaucous-winged Gull, Western Gull, Herring Gull — Eastside Audubon Society
Herring Gull Bird Facts | Larus Argentatus - The RSPB
Species Spotlight August 2020 - Friends of the Ridgefield National Wildlife Refuge
Herring Gull | Audubon Field Guide
Head of Herring gull. Larus argentatus Close up. Showing red bill spot Stock Photo - Alamy
Similar Species to Herring Gull, All About Birds, Cornell Lab of Ornithology
Herring Gull (Larus argentatus) | U.S. Fish & Wildlife Service
European Herring Gull in adult summer plumage. This gull is on the 'red list' for the highest conservation priority, the species needing urgent help Stock Photo - Alamy
Herring gull | The Wildlife Trusts
Herring Gull Bird Facts | Larus Argentatus - The RSPB
Your Awesome Neighbourhood Herring Gull (And Its Many Cousins) - Scientific American Blog Network
