some birds use cordgrass, twigs, pine needles, straw, hair and sometimes feathers. Typically there will be no seed heads, cigarette butts, strings, sticks, or other junk in a Bluebird nest.
skylark
The male emu builds the nest before attracting a female. It scratches up grass, twigs, leaves and bark on the ground, in grasslands or open bushland. The nest measures between one and two metres wide, and the walls are about ten centimetres thick.
The emu's nest is just a shallow hole in the ground, or a platform made of grass, lined with leaves, grass, twigs and bark.
The skylark builds its nest on the ground, often in fields or grasslands where it can blend in with the surrounding vegetation. The nest is typically a shallow scrape lined with grass, moss, and other plant materials to provide some warmth and protection for the eggs and chicks. This positioning helps to camouflage the nest from potential predators.
a scrape nest
A Cukoo Bird builds it's nest in a chimney
The yellowhammer typically builds a cup-shaped nest on or near the ground, often in dense grass or low vegetation. It is constructed using grasses, moss, and other plant materials, and is usually well-hidden to provide protection from predators. The nest is lined with finer materials like feathers to create a comfortable environment for the eggs and chicks.
nest
The Weaver builds a nest out of grasses, with the entrance at the bottom.
grass sticks and muck
Mud,grass,weed stems,
A song thrush usually builds her nest in trees and bushes. Some times they will also nest in man made buildings like barns as well.