While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain ...

It’s obvious why a stick insect’s wardrobe is the way it is. Look like a stick, avoid getting eaten. But scientists in Japan noticed that despite their camouflage, stick insects became bird food quite ...

Traits are often lost during evolution, either because they are no longer beneficial or because they are too costly to maintain. When this happens, it is generally believed that the genes underlying ...

Known for exceptional mimicry, stick insects have evolved a range of egg-laying techniques to maximize egg survival while maintaining their disguise – including dropping eggs to the ground, skewering ...

James O'Hanlon receives funding from the University of New England and the Australia Pacific Science Foundation. He is affiliated with In Situ Science Ltd. The key to a stick insect’s survival may be ...

Scientists have created the best map of stick-insect evolution to date by combining DNA analysis and knowledge of their varied egg-laying techniques. The first stick insects flicked or dropped their ...