Whoever put tiny cowboy hats on pigeons in Las Vegas was careful not to obscure the birds' eyes, but the brims might block the birds' view of predatory hawks descending on them, says ornithologist and pigeon expert Charles Walcott.
Cowboy hats could make pigeons easy prey
Sign up for Animal Health SmartBrief
News for animal health professionals
Get the intelligence you need: news and information that is changing your industry today, hand-curated by our professional editors from thousands of sources and delivered straight to your inbox.