BillShape
These hummingbirds’ bills evolved for fighting
These hummingbirds’ bills evolved for fighting Male green hermit hummingbirds have evolved straighter, sharper, and structurally stronger bills for fighting, which has shaped their species’ evolution. Their bills are designed to be effective weapons, allowing them to defend their perches and compete for mates in a “singles bar” setting where they gather to find partners. […]
🔬 Science