Home tagpages Evolution A Clever Strategy for Getting Rid of Testosterone January 23, 2025 Behavior Evolution A super enzyme helps male ruffs break down sex hormones more A surprising link between motor systems control and sleep rhythms November 06, 2024 Behavior Brain function Evolution New work on sleep in a reptile reveals surprising similarities between networks that control motor rhythms and those controlling sleep more Color variants in cuckoos: the advantages of rareness April 24, 2024 Evolution Genetics Ancient color variants are encoded specifically in the female DNA more Passerine bird takes advantage of human settlements February 22, 2023 Behavior Environment Evolution Populations Daurian redstarts move closer to humans to protect their nests from brood parasitism more Sweet sap, savory ants August 18, 2022 Behavior Evolution Senses Woodpeckers taste sweet, but wrynecks—unusual woodpeckers that specialize on ants—lost the ability to taste sugars more Show more