Animal Intelligence

Scientists at Osaka Metropolitan University have observed cleaner wrasse using mirrors to inspect and remove artificial parasite marks, demonstrating rapid self-recognition. Some fish even performed contingency testing by dropping shrimp near mirrors to study reflections. These behaviors suggest self-awareness in fish may be more common than previously thought.

November 16, 2025 Reported by AI

Chimpanzees can update their decisions based on stronger evidence, much like humans, according to a study published in Science. Researchers at the Ngamba Island Chimpanzee Sanctuary in Uganda found that the animals switched choices when presented with clearer clues about food locations. This flexible reasoning challenges assumptions about animal cognition.