David Butvill
Recent articles by David Butvill
The bird that eats itself to survive: During its epic migration it consumes its internal organs – including its kidneys – which then regenerate
It can survive without water in one of the driest, deadliest places on Earth, where just 1cm of rain falls a year. Meet the ultimate survivor
Terrifying tiny millipede fires menacing Velcro-like bristles from its butt at assailants
With its unique, Velcro-like bristles that cling to predators, the tiny Porcupine-Velcro Millipede (Polyxenus fasciculatus) is a master of self-defence in the insect world.
This weird sea cucumber fires poisonous intestines from its butt to deter predators. Don't worry, they grow back...
The harmless looking sea cucumber is more deadly than it looks and has an array of tools and weapons to ward off predators