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A calling male túngara frog with a large inflated vocal sac. Credit: Adam Dunn A new study reports that city frogs sing more complex and attractive songs than their country cousins. Urban frogs can get away with producing more conspicuous mating calls, which are preferred by. . . Read More

Italian wall lizards possess a few traits that contribute to their success as an invasive species. One, they tend to use trees and human structures as refuges, leading to accidental transportation. Two, they are adaptable when it comes to habitat use, being found in natural. . . Read More

This is my first story for Ask magazine, an arts and sciences magazine for kids ages 6-9. I describe how scientists study the fossilized feathers from ancient birds and dinosaurs to figure out their colors in life. Read the story here: Read More

You’d think a nimble stinger and powerful pincers would be enough. But some scorpions have another defensive strategy ­­– hissing. The behavior is not well-studied and few recordings exist. But now scientists have a greater appreciation for the way scorpions produce these sounds,. . . Read More

One species of tiny arachnid is not only unusually social, it also has a system for meal sharing that puts the young at the head of the table. Pseudoscorpions look like miniature scorpions, minus the stinger at the back end. They are formidable predators of small invertebrates. . . Read More