Scientists tested it, and crows passed the grudge-holding test with flying colors.
You might want to think twice before wronging a crow, because they won’t just remember your face forever—they might tell their family about you too. This is not urban legend stuff. Actual scientists have worn masks, tricked birds, and followed them around for years to prove how personal things get with crows. The birds passed every test, then leveled up. They built little mental files on people, shared them, and kept them open. Here’s how deep it actually goes.
