Before insects had wings, before they could fly, they jumped. The bristletail still does. The ancient acrobat of the New Zealand coastline. The native bristletail belongs to the order Archaeognatha, which translates literally as ancient jaws. This name refers to their primitive mouthparts, articulated in a way that predates more complex structures found in modern insects. While they may superficially resemble silverfish, these nocturnal specialists are far more agile and defined by a spectacular tail-snap jump. A living fossil that still has the moves. By suddenly and violently flexing their abdomen against the ground, they can launch themselves several centimetres into the air, a high-speed escape manoeuvre that allows them to vanish from predators in a fraction of a second. These nocturnal grazers are the silent residents of the salt-sprayed rocks where the land meets the ocean. A jump that has worked for 400 million years. They represent a state of biological continuity, acting as a living link to the very first insects that crawled out of the sea to colonise the terrestrial world hundreds of millions of years ago. Their diet consists primarily of algae, lichen and organic detritus, which they scrape from stone surfaces under cover of darkness. The same diet. The same rocks. The same salt spray. To see a bristletail snap into the air is to witness a survival strategy that has remained effective since the dawn of complex life. They are the original jumpers, a reminder that New Zealand serves as a global refuge for the oldest and most successful designs in the natural world. The rock is damp. The tide is out. A shadow passes. The bristletail snaps into the air, vanishes, lands, freezes. The predator sees nothing. The bristletail lives to jump another day. 400 million years of practice. It has gotten quite good at it.