Zebra Finches are nesting

While dropping a car off in Karratha, I saw a dozen or so Zebra Finches building nests. They were building their nests in the hollows created by old fronds in a row of palm trees. It was a hub of activity, birds flying backward and forward every 60 seconds or so carrying twigs twice their length. I wish I had my camera with me as they were not at all concerned about my presence.