They defend themselves by pecking at other birds. This often will scare away other birds.
Porcupines defend themselves with their quills.
You can destroy it or put it back where it came from. Since house sparrows are not native they are excluded by the migratory bird act.
They defend themselves by releasing disgusting slime when attacked.
Porcupines defend themselves with their quills.
yeahhh
most likely because it's their instinct to defend themselves.
Sparrows originally came from China. But, the climate started to change, and the sparrow migrated to North America. Today, the climate in China is slowly changing, but there is still very little sparrows there. (About 2%)
Passer domesticus
Omnivore
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.