Dung Beetles Follow the Stars
January 24th, 2013 |
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The humble dung beetle makes its living rolling big balls of excrement to feed its offspring and itself. But this lowly occupation doesn’t mean the insect doesn’t have its eye on the skies—even when the sun goes down. Recent research has shown that African ball-rolling dung beetles (Scarabaeus satyrus) use strong light cues from the [...]
Keep reading »Rats, Bees, Brains, and The Best Science Writing Online 2012

I’m still playing a bit of catch-up after last week’s AZA conference. In the meantime, The Best Science Writing Online 2012 was published this week, which includes a piece I originally posted in July, 2011. In honor of the publication, I’m reposting that piece, below. Also, check out my new fortnightly column at BBC Future, [...]
Keep reading »How Do Octopuses Navigate?
May 24th, 2012 |
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Getting around is complicated business. Every year, animals traverse miles of sky and sea (and land), chasing warmth or food or mates as the planet rotates and the seasons change. And with such precision! Some animals rely on visual landmarks, others on subtle changes in magnetic fields, and yet others match their internal clocks with [...]
Keep reading »Sensing Magnets: Navigation in Desert Ants
March 12th, 2012 |
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The more scientists discover about desert ants, the more impressive they seem. Decades of research have established that ants use path integration – an innate form of mental trigonometry – in order to navigate the visually featureless environments that are the salt pans of Tunisia. They do this by calibrating a mental clock based on [...]
Keep reading »Desert Ants Are Better Than Most High School Students At Trigonometry
February 20th, 2012 |
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This marks the 500th post in the history of The Thoughtful Animal! To mark the occasion, I thought I’d revise and repost the post that started it all. This wasn’t the first post I ever wrote, but it was the first post I wrote (back when I was blogging at WordPress) that got any sort [...]
Keep reading »Rats, Bees, and Brains: The Death of the “Cognitive Map”
July 12th, 2011 |
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Humans, just like all other animals, face the same problem every day: how do we get around the world? I don’t mean how do we walk, swim, crawl, or fly. I mean, how do we navigate? If I leave in search of food, how do I find my way back home? Here’s one method I [...]
Keep reading »Monday Pets: Dumb Guinea Pigs? (The I Just Got Back From APS Edition)
May 31st, 2010 |
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Zen recently wrote mentioned this study on his blog, so I thought it was time to dredge it out of the archives. Also, I’ve just returned from APS (see my daily recaps here here and here), and I am TIRED. Domestic animals and their wild counterparts can be different in big ways; there can be [...]
Keep reading »Who Moved My Garden? Spatial Learning in the Octopus
April 28th, 2010 |
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Say you’re visiting Los Angeles and you have a sudden craving for Chinese food. Since you are only visiting, you might not be aware that nothing is open past, like, 10pm (not even coffee houses), but you get in your rental car and go driving around in search of your Chinese feast anyway. You try [...]
Keep reading »Drive-Through or Eat Out? How An Octopus Decides
April 23rd, 2010 |
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It’s amazing how much you can learn about an animal’s mind by a simply watching it. Video 1: Gratuitous video of octopuses never hurt anyone. Maybe this will sate the Pharyngulites.
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