This week’s pet is Earl, a rat belonging to Brooke of Marquette



Here’s what Brooke has to say--

“I met Earl during my last semester of school; he was one of my lab rats for a psychology class, and I picked him because he looked very curious and alert--a sign of intelligence. We were training the rats in a Skinner box to press a lever for food pellets (one lever press for a pellet, then two, then four, then five, then ten, etc.), and by the end of the semester he would press the lever 25 times for a pellet, which was higher than any of the other rats! As you can see, he's very smart, so I'm quite proud of him!

I didn't want Earl to go to the Biology department, so he came home with me. He's about nine months old now and very affectionate. He loves to run and jump around and explore the nooks and crannies he finds in my room, as well as hang out on my shoulder. He also enjoys being fed without having to press a lever anymore. :)”
 

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