Pandas. Polar bears. Mountain lions. All are examples of what ecologists call “charismatic megafauna,” a term for critters that spark squeals of delight at the zoo and grace the glossy brochures of conservation groups.
But less charming critters are in crisis, too. Climate change and habitat loss are pushing hundreds of slimy reptiles, scrawny birds and scaly fish to the brink of extinction, imperiling entire ecosystems that depend on them.