First of all, it depends on the rodent. What makes all rodents rodents is their teeth, which they can definitely use to defend themselves. Rodents also usually have claws on their feet that they can use, and many have excellent hearing and smell so that they can flee easily, plus many will pee, barf, or poop if it comes to it. Some rodents have specialized defenses for specialized predators, but those are fewer and farther between than the ones I have said already.
Porcupines defend themselves with their quills.
They defend themselves by releasing disgusting slime when attacked.
Porcupines defend themselves with their quills.
They run away from predators or may defend themselves using their horns.
They don't really defend themselves. They hide in aneomes and swim away.
Probably how most dogs defend themselves; By biting and growling and snarling.
wedge tail eagle can defend themselves by using there claws and beak
baby tigers can noy defend themselves because their weak and only small.
they defend themselves by staying near other birds or using their sharp beak as a chisel .
yes, they defend for themselves, and for the rest of the pack
Male honey bees (drones) can't defend themselves as they are incapable of stinging.
Chameleons defend themselves by changing the colour of their body, allowing them to blend into their surroundings. This is called camouflage.