Taiwan butterfly pioneer laments threat to species

Chen Wei-shou, the pioneer of Taiwan butterfly research, remembers being spell-bound when as a boy of six he first saw "a flower that could move". A life-long obsession had begun.

An early spring drives butterfly population declines

Early snow melt in the Colorado Rocky Mountains initiates two chains of events resulting in population decline in the mormon fritillary butterfly, Speyeria mormonia. One effect of snow melt date was readily detectable, but ...

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