no photo — written note
BirdsSensitive species
A marsh tern of the Great Lakes region, hovering and dipping over shallow water.
Field facts
HabitatMarsh, reservoirs, lakeshore
RangeNorthern Indiana mainly
When to lookApril to October
StatusState endangered as a breeder (Indiana DNR / IUCN Red List)
Look-alikesCommon tern — darker wingtips
Field note: In winter it swaps the black cap for a bold black ear patch.
Lesson
Watching responsibly
Avoid nesting marsh islands from May to July.
This species is treated as sensitive: locations are generalised to county level and never routed to directly.
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