Magpies are a real threat to people in Australia. They aggressively defend their territory, which might be your sidewalk or back yard, by swooping down to peck at your face and eyes. They are much worse than drop bears.
Not always.
I lived for two years in Australia, and never had any swoop me. Gallah cockatoos made me laugh and crows cawwed funny. An emu attacked me once but I ran back into the car before he could peck me a second time.