Please specify which cities you are refering to.
Platypuses do not live in cities. They are sensitive creatures that can only live in burrows alongside creeks and rivers in unspoilt bushland or rainforests.
By the sea. True but what kind of sea eagles ? They do live near seas, and forest beside rivers, so they can catch fish.
What rivers? What cities?the five major rivers of Florida and the cities the rivers flow through.
food and water
Kingfishers
Mostly because Mesopotamia had two rivers right beside it: the Tigris and Euprates. It was a place farming could occur thanks to irrigation and the rivers also helped protect the city and provide a natural land barrier against foreign invaders.
Cities who were fighting over land and rivers.
Its a kingfisher :D
hydropower
yes they do live in rivers!
They used irrigation canals to draw water from the Euphrates and Tigris Rivers into their cities.