A couple of months ago I posted a question about whether non-human animals had ever played tricks on you. There were loads of lovely stories, and I ended up drawing a few...
“My brother and I witnessed a ewe teaching her three lambs how to access the local refuse tip. She repeatedly showed them the technique. She would run head-on at the cattle grid, and at the last moment switch position to side-on, rolling over the grid and landing on her feet at the other side"