14/09/2026
Norway Rat vs Ship Rat - can you tell the difference?
Wildlife biologist Cam Speedy from Predator Free New Zealand Trust has put together a video breaking down the key features of these two rat species - and why it matters for trapping.
Norway rats are strong swimmers, with a shorter, thicker tail (about 40% of their body length). That fat tail acts like a rudder in the water. They're more likely to scout around on the ground, targeting ground-dwelling birds, invertebrates and īnanga eggs.
Ship rats have a smaller body and a longer tail (around 60% of their length). Their tail works like a rope, helping them climb high into the canopy where they can reach bird nests, lizards, and insects.
Think you can spot the difference?
👉 Check out Cam’s video for the full comparison.
Ship rats and Norway rats are very different creatures. In this sho...