Glass frogs living near roaring waterfalls wave hello to attract mates

Berkeley — Most frogs emit a characteristic croak to attract the attention of a potential mate. But a few frog species that call near loud streams — where the noise may obscure those crucial love songs — add to their calls by visually showing off with the flap of a hand, a wave of a […]

Huntsman spiders eat tree frogs after luring them into leaf traps

Huntsman spiders in Madagascar eat tiny frogs, and scientists suspect that the spiders catch their prey by weaving “traps” made of leaves, to lure the frogs inside with a promise of protection from the sun. In 2017, researchers spotted a spider in the Damastes genus clutching a Heterixalus andrakata tree frog — the second time […]

Huntsman spiders may sew leaves into fake shelters to lure frogs

On a sweltering afternoon in northeastern Madagascar, the coolness of a leaf’s shade is an attractive respite for a frog. But some of these oases may hide hungry architects: huntsman spiders. New observations show that the gangly spiders partially attach two leaves together using silk, creating a leafy hollow. One of the arachnids was spotted […]