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5 sources checked · 2 source groups included · 3h ago

Still Watching

3 lions perish at Tokyo zoo as Japan bakes in ‘cruelly hot’ summer

Guardian World and South China Morning Post describe the same event in different terms.

2 Left3 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of August 4, 2026 at 7:48 AM, this is how Optics News reads the wording differences in this story.

What happened 3 lions perish at Tokyo zoo as Japan bakes in ‘cruelly hot’ summer.
The headline split The left frames it as "Three lions die of suspected heatstroke at Tokyo zoo as Japan swelters". The center frames it as "Three lions die at Tokyo’s Tama Zoo amid heat wave".
Match confidence Medium confidence. 5 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

5 sources across 2 bias buckets agree on the event.

Framing confidenceModerate

57/99 — meaningful wording shift across the spectrum.

WHAT EACH SIDE EMPHASIZED

Left / center-leftThree lions die of suspected heatstroke at Tokyo zoo as Japan swelters

Guardian World · Center-left · News report

Center3 lions perish at Tokyo zoo as Japan bakes in ‘cruelly hot’ summer

South China Morning Post · Center · News report

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

Optics keeps watching for pickup.

SEE THE HEADLINES

Center-leftHigh
Guardian WorldNews report · Aug 4, 5:46 AM

Three lions die of suspected heatstroke at Tokyo zoo as Japan swelters

Most of the zoo’s 16 lions have struggled to cope with high humidity this summer Three lions from a Tokyo zoo have died from suspected heatstroke and others are undergoing treatment, a spok...

Open source
Center-leftMostly Factual
The Journal (Ireland)News report · Aug 4, 7:48 AM

Three lions die in Japanese zoo from suspected heatstroke

Japan sweltered through its hottest summer on record last year and parts of the country have hit 40 degrees in recent weeks.

Open source
CenterMostly Factual
South China Morning PostNews report · Aug 4, 6:49 AM

3 lions perish at Tokyo zoo as Japan bakes in ‘cruelly hot’ summer

Three lions have died of suspected heatstroke at Tokyo’s Tama Zoological Park amid Japan’s record-breaking “cruelly hot” summer as officials boost animal welfare measures to cope with clima...

Open source
CenterHigh
Phys.orgNews report · Aug 4, 6:46 AM

Suspected heatstroke kills three lions at Japan zoo

Three lions from a Tokyo zoo have died from suspected heatstroke, and others are under treatment, a spokeswoman said Tuesday, with the big cats struggling with high humidity.

Open source
CenterHigh
Japan TimesNews report · Aug 4, 6:07 AM

Three lions die at Tokyo’s Tama Zoo amid heat wave

Three other lions are currently ill and unable to stand up.

Open source
Details57/99 Wording Gap · Medium confidence · 5 sources
57/99 Wording GapMedium confidence5 sources · 2 bias bucketsLive match · 5 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Aug 4, 5:46 AM: Guardian World joined the source map.

Aug 4, 6:07 AM: Japan Times joined the source map.

Aug 4, 6:46 AM: Phys.org joined the source map.

Aug 4, 6:49 AM: South China Morning Post joined the source map.

Now: Wording Gap is 57/99 and story health is live match · 5 sources · 2 buckets · comparable news format.