Millions of monarch butterflies killed on Texas highways

Monarch butterflies are moving south through Texas on their annual autumn migration to overwintering sites in Central Mexico, but millions die in collisions with vehicles while flying low across Texas highways. Monarch numbers ...

Wind, warmth boost insect migration, study reveals

Wind and warmth can improve travel time for the billions of insects worldwide that migrate each year, according to a first-ever radio-tracking study by University of Guelph biologists.

Cities are key to saving monarch butterflies

It's easy to think of cities as being the enemy of nature. When we talk about escaping the skyscrapers and car horns, we have visions of breathing in fresh mountain air while hiking through forests in mind. But for Monarch ...

Neotropical cloud forests to lose what most defines them: clouds

In as few as 25 years, climate change could shrink and dry 60-80% of Western Hemisphere cloud forests, finds a study published today. If greenhouse gas emissions continue increasing as they have been, 90% of Western Hemisphere ...

When it comes to monarchs, fall migration matters

Scientists studying monarch butterflies have traditionally focused on two sources for their decline—winter habitat loss in Mexico and fewer milkweed plants in the Midwest.

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