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TIL that a chimpanzee named Santino at a Swedish zoo gathered stones each morning to throw at visitors later in the day. It is the first documented case of a non-human planning for future events.

theguardian.com/science/2009/m…
#til #todayilearned
reddit.com/r/todayilearned/com…

Chimp who threw stones at zoo visitors showed human trait, says scientist

Assembling ammunition in advance reveals ape's unsuspected ability to plan for future
Ian Sample (The Guardian)
#til #todayilearned
in reply to Today I learned

Cecilia | MeraOrd
mastodon - Link to source
Cecilia | MeraOrd
• •
Today you also learned that said zoo killed Santino when he and his fellow chimpanzees broke out through their winter enclosure, due to an error made by a coworker. Several of the chimpanzees were shot and killed (one hurt, one or two were unharmed).
in reply to Today I learned

martinsnygg
mastodon - Link to source
martinsnygg
• •
That place was also the premise for a planet of the apes-ish incident. It might have been planned 🤔 people.com/pets/chimpanzees-sh…
in reply to martinsnygg

Cecilia | MeraOrd
mastodon - Link to source
Cecilia | MeraOrd
• •

@martinsnygg Yep: mastodonsweden.se/@meraord/115…

(I live in the same city where the zoo is located) @todayilearned

Cecilia | MeraOrd

2025-11-11 13:55:27

mastodon - Link to source

Today you also learned that said zoo killed Santino when he and his fellow chimpanzees broke out through their winter enclosure, due to an error made by a coworker. Several of the chimpanzees were shot and killed (one hurt, one or two were unharmed).

@Today I learned @martinsnygg
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