Monarch caterpillars eat 200 times their weight in milkweed and can devour a whole leaf in less than 5 minutes. Monarch butterflies are poisonous to predators because of the chemicals in the milkweed ...

Monarch caterpillars eat 200 times their weight in milkweed and can devour a whole leaf in less than 5 minutes. Monarch butterflies are poisonous to predators because of the chemicals in the milkweed ...

Monarch butterflies are unique in their migration patterns. Eastern monarchs travel between Mexico and the U.S., spending ...

Teenager Davi Nunes Moreira was rushed to hospital in Planalto in the north-east Brazilian state of Bahia after he began ...

Migratory monarch butterflies entered the International Union of Conservation of Nature’s Red ... to control insects and weeds, and natural enemies such as predators, parasitoids, and diseases. A ...

The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds ...

That in itself is a tricky manoeuvre: the caterpillar hangs from a small patch of silk while it takes its skin of. The trick ...

That cost may be worth it for monarch butterflies because the benefit of being noxious to predators is so much more valuable, Whiteman says. Tina Hesman Saey is the senior staff writer and reports ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...