Birds will become aggressive if you get too close to nest.
You can use an umbrella for protection if needed.
List of birds that will attack humans that get too close:
Terns
Mockingbirds, known for dive bombing
Swallows, known for swooping
Canadian Goose
Magpies
Lammergeier
European Starling
Spotless Starling
Emu
Ostriches
northern goshawks
Owls
red-tailed hawk
Gulls
Cassowary, is the most dangerous bird to humans.
broad-winged hawks
peregrine falcons
Crows
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