CenterHigh
WGN-TV (Nexstar, Chicago)News report · Oct 9, 10:26 PM
4th rescued beluga whale dies at Shedd Aquarium
Another rescued beluga whale has died at Shedd Aquarium.
← Today's headlines
4 sources checked · 2 source groups included · 3h ago
Still Watching
4th rescued beluga whale dies at Shedd Aquarium
Chicago Sun-Times and WLS / ABC7 Chicago describe the same event in different terms.
1 Left3 Center0 Right
STILL WATCHING
As of October 10, 2026 at 1:33 AM, this is how Optics News reads the wording differences in this story.
What happened Another rescued beluga whale has died at Shedd Aquarium.
The headline split The left frames it as "5th beluga whale dies at Shedd Aquarium". The center frames it as "Another Marineland whale dies at Shedd Aquarium in Chicago".
Match confidence Medium confidence. 4 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium
4 sources across 2 bias buckets agree on the event.
Framing confidenceMild
39/99 — small wording differences, not a major framing split.
WHAT EACH SIDE EMPHASIZED
Left / center-left5th beluga whale dies at Shedd Aquarium
Chicago Sun-Times · Center-left · News report
Center4th rescued beluga whale dies at Shedd Aquarium
WGN-TV (Nexstar, Chicago) · Center · News report
Right / center-rightNo matching source in this bucket yet.
Optics keeps watching for pickup.
SEE THE HEADLINES
Open source
CenterHigh
WLS / ABC7 ChicagoNews report · Oct 10, 1:33 AM
4th beluga whale rescued from Canada dies at Shedd Aquarium, officials say
A fourth beluga whale rescued from Canada has died at Chicago's Shedd Aquarium, officials said Friday. A resident whale also died recently of old age.
Center-leftMostly Factual
Chicago Sun-TimesNews report · Oct 10, 12:10 AM
5th beluga whale dies at Shedd Aquarium
Another beluga whale rescued from the Marineland of Canada has died, the Shedd Aquarium announced Friday. Caspian is the fourth rescued beluga to die at the Chicago aquarium since their ini...
CenterHigh
Global News (Canada)News report · Oct 9, 10:55 PM
Another Marineland whale dies at Shedd Aquarium in Chicago
It's the sixth animal from the closed Niagara Falls, Ont., theme park to die after a massive relocation of whales and dolphins over the summer.
Details39/99 Wording Gap · Medium confidence · 4 sources
39/99 Wording GapMedium confidence4 sources · 2 bias bucketsLive match · 4 sources · 2 buckets · comparable news formatFormats: News report
SOURCE MAP CHANGES
Oct 9, 10:26 PM: WGN-TV (Nexstar, Chicago) joined the source map.
Oct 9, 10:55 PM: Global News (Canada) joined the source map.
Oct 10, 12:10 AM: Chicago Sun-Times joined the source map.
Oct 10, 1:33 AM: WLS / ABC7 Chicago joined the source map.
Now: Wording Gap is 39/99 and story health is live match · 4 sources · 2 buckets · comparable news format.