News tagged with butterfly populations

Beyond milkweed: Monarchs face habitat, nectar threats

In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...

dateApr 22, 2016 in Ecology
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Looking beyond the breeding grounds

Every winter, trees on high mountains in a small area northwest of Mexico City turn orange. Close inspection reveals branches filled with brilliantly colorful monarch butterflies, rather than fiery leaves, as the eastern ...

dateMay 17, 2017 in Ecology
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