Harlequin Toads Lose Poisonous Skin Defenses Across Central and South America
Harlequin toads across Central and South America are experiencing severe population declines while losing the toxic skin secretions that protect them from predators. Researchers warn that captive-bred frogs lack necessary skin bacteria and dietary compounds, creating major challenges for conservation and future reintroduction efforts. Amphibian conservation efforts face a multifaceted crisis as biologists examine not … Read more