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# Learning Rule Has Held Since 1898. Pigeons Ignore It.
- URL: https://www.gottabekidding.me/learning-rule-has-held-since-1898-pigeons-ignore-it/
- Published: 2026-08-10T10:00:00.000Z
- Updated: 2026-08-10T09:59:59.000Z
- Description: They found the reward. They kept looking anyway. Pigeons may be dismantling one of psychology's oldest assumptions about how any animal learns.
- Author: Field Notes
- Tags: Nature

Edward Thorndike spent years in the late 1890s watching animals in puzzle boxes and arrived at what seemed like a very safe conclusion: creatures repeat behaviors that get rewarded. He called it the law of effect. It became one of psychology's foundational principles. It has held up for over a century.

The pigeon did not get the memo.

New research suggests pigeons actively avoid settling into a single strategy, instead operating in what researchers describe as a constant state of near-chaos. When given a task with a consistent reward, they don't lock in the winning behavior and repeat it. They keep trying different combinations, declining to rely on the same sequence even when it reliably works.

University of Iowa researcher Ed Wasserman, the study's corresponding author, says the birds seem to balance getting the reward with continuing to explore other options anyway, as if staying a little unpredictable is worth more to them than sticking with a sure thing. His theory: locking into one fixed pattern is risky in a world that keeps changing.

The researchers think this taste for variability might be an evolutionary advantage, helping animals cope with new challenges, and they suspect pigeons aren't the only species resisting uniformity. They're now testing whether rewarded behaviors stay variable across other animals too, work that could help explain how brains make decisions while learning in the first place.

One hundred and twenty-eight years after Thorndike's first puzzle box, the bird everyone ignores on the sidewalk is helping rewrite the textbook.

**Read the full story at** [Scientific American, July 8, 2026](https://www.scientificamerican.com/article/chaotic-pigeons-are-helping-redefine-what-we-know-about-learning/?ref=gottabekidding.me)

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**Hot Take:** The law of effect has governed behavioral psychology since the McKinley administration, and the species that cracked it open wasn't a crow, wasn't a dolphin, wasn't an octopus, it was the bird urban planners classify as a "flying rat." There is a lesson here about the cost of overlooking the unremarkable, and pigeons have apparently known it all along.