The Smith's blue butterfly may be tiny, but it's endangered in a big way. It spends its whole life within a few hundred yards of two native plants, seacliff buckwheat and coast buckwheat — and is ...

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...

Small Tortoiseshells ... Black Hairstreak and Holly Blue. Butterfly monitoring and conservation work remains essential amid the ongoing challenges posed by climate change, according to the ...