#1 – Seagull
Image Source: BsnSCB.com
Even if it looks beautiful and calm, seagull may turn into an extremely terrifying and aggressive bird. It generally attacks furiously any creature that gets too close to their nests. There have been many reports about seagulls that attacked many people in several parts of the world and who were suffering from severe wounds that were as deep as the length of the bird’s beak.