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2 sources checked · 2 source groups included · 1h ago

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4th beluga whale rescued from Canada dies at Shedd Aquarium, officials say

Chicago Sun-Times and WLS / ABC7 Chicago describe the same event in different terms.

1 Left1 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of October 10, 2026 at 3:15 AM, this is how Optics News reads the wording differences in this story.

What happened 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.
The headline split The left frames it as "5th beluga whale dies at Shedd Aquarium". The center frames it as "4th beluga whale rescued from Canada dies at Shedd Aquarium, officials say".
Match confidence Developing. The source map is still developing. Keep watching for more sources to join.
Same-event confidenceDeveloping

Not enough sources yet to confirm this is the same specific event.

WHAT EACH SIDE EMPHASIZED

Left / center-left5th beluga whale dies at Shedd Aquarium

Chicago Sun-Times · Center-left · News report

Center4th beluga whale rescued from Canada dies at Shedd Aquarium, officials say

WLS / ABC7 Chicago · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CenterHigh
WLS / ABC7 ChicagoNews report · Oct 10, 3:15 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.

Open source
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...

Open source
Details39/99 Wording Gap · Low confidence · 2 sources
39/99 Wording GapLow confidence2 sources · 2 bias bucketsDeveloping · 2 sources · 2 bucketsFormats: News report

SOURCE MAP CHANGES

Oct 10, 12:10 AM: Chicago Sun-Times joined the source map.

Oct 10, 3:15 AM: WLS / ABC7 Chicago joined the source map.

Now: Wording Gap is 39/99 and story health is developing · 2 sources · 2 buckets.