Crows’ Discovery Claims Unfounded, Sources Lack Evidence

The provided search results do not contain any information regarding a discovery about crows. The available sources focus on a dietary supplement for prostate health (Men Balance Pro), a Bulgarian forum discussion concerning caffeine-free ingredients and physical asymmetry, and a Bulgarian language textbook. As the search results do not contain information relevant to the topic, I cannot fulfill the request to write an article on this subject without violating the policy against fabrication.