Peregrine falcons are wild birds; they choose their nesting sites.
Traditionally Peregrine Falcons nest on cliff faces where the female will scrape a shallow hollow in the loose soil, sand, gravel or dead vegetation where she will lay her eggs. We suspect that they are choosing inland sites because all their rural, cliff-nesting haunts have become saturated, and so urban locations, often replicating cliffs, are the next best thing. There is also plenty of food in towns/cities and outskirts.
Now that more birds are choosing to nest inland on high buildings, they cannot make their scrape meaning that sometimes these nests can fail due to eggs rolling or getting very cold.
The male is smaller, with dashes on the wings and a clean, white breast. The female is much larger, heavily barred on the wings, flecking on the white breast.
Male Peregrines are known as Tiercels. This comes from the Latin word tertius, which means “one-third”. Female falcons are referred to as Falcons. Young Falcons that are still in the nest are referred to as Eyasses.
Yes, unless one dies or a stronger male/female takes over.
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