Tim Birkhead explains what song bird research can contribute to human health, Surprising Science describes the evolution of a feline’s roar (or meow), a Geophysical Research Letters study assesses the world’s dwindling groundwater supply, Nature News interviews Gabriela Chavarria—the U.S. Fish and Wildlife Service’s top science adviser—and Chris Palmer’s book reveals faking in nature videos. Here are stories in ecology from the last week in September.
Scientists have found that the parasitic fungus Ophiocordyceps unilateralis has possibly been invading carpenter ants (Camponotus) for 48 million years. The parasite not only infects the ant, but it manipulates the ant’s behavior, influencing it to bite the underside of the leaf at the veins. Once the ant hits an optimal location, the fungus grows rapidly, killing the ant and preparing it to release a new spore.